{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat.embed:tomcat-embed-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "11.0.0-M5"
            },
            {
              "fixed": "11.0.0-M6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "11.0.0-M5"
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat.embed:tomcat-embed-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.1.8"
            },
            {
              "fixed": "10.1.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "10.1.8"
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat.embed:tomcat-embed-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.0.74"
            },
            {
              "fixed": "9.0.75"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9.0.74"
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.tomcat:tomcat-coyote"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "8.5.88"
            },
            {
              "fixed": "8.5.89"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "8.5.88"
      ]
    }
  ],
  "aliases": [
    "CVE-2023-34981"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2023-06-21T22:06:39Z",
    "nvd_published_at": "2023-06-21T11:15:09Z",
    "severity": "HIGH"
  },
  "details": "A regression in the fix for bug 66512 in Apache Tomcat 11.0.0-M5, 10.1.8, 9.0.74 and 8.5.88 meant that, if a response did not include any HTTP headers no AJP SEND_HEADERS message would be sent for the response which in turn meant that at least one AJP proxy (mod_proxy_ajp) would use the response headers from the previous request leading to an information leak.",
  "id": "GHSA-mppv-79ch-vw6q",
  "modified": "2024-04-24T19:44:03Z",
  "published": "2023-06-21T12:30:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-34981"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/tomcat/commit/2214c8030522aa9b2a367dfa5d9acff1a03666ae"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/tomcat/commit/2f0ca2378415f4cf0748f4bc8fa955f41f803fa5"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/tomcat/commit/739c7381aed22b7636351caf885ddc519ab6b442"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/tomcat/commit/f0742f47b98aca943097f7f88e0d1163f57527e3"
    },
    {
      "type": "WEB",
      "url": "https://bz.apache.org/bugzilla/show_bug.cgi?id=66512"
    },
    {
      "type": "WEB",
      "url": "https://bz.apache.org/bugzilla/show_bug.cgi?id=66591"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/apache/tomcat"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/j1ksjh9m9gx1q60rtk1sbzmxhvj5h5qz"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20230714-0003"
    },
    {
      "type": "WEB",
      "url": "https://tomcat.apache.org/security-10.html"
    },
    {
      "type": "WEB",
      "url": "https://tomcat.apache.org/security-11.html"
    },
    {
      "type": "WEB",
      "url": "https://tomcat.apache.org/security-8.html"
    },
    {
      "type": "WEB",
      "url": "https://tomcat.apache.org/security-9.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache Tomcat vulnerable to information leak"
}