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rlsa-2026:62631
Vulnerability from osv_rocky
HTTP reverse proxy, backed by IPP-over-USB connection to device. It enables driverless support for USB devices capable of using IPP-over-USB protocol.
Security Fix(es):
-
mime: golang: Golang MIME: Denial of Service via maliciously-crafted MIME header (CVE-2026-42504)
-
encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818)
-
net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860)
-
net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (CVE-2026-56853)
-
crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862)
-
encoding/xml: golang: Go: Denial of Service via XML decoding recursion depth issue (CVE-2026-56859)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
{
"affected": [
{
"package": {
"ecosystem": "Rocky Linux:10",
"name": "golang-github-openprinting-ipp-usb",
"purl": "pkg:rpm/rocky-linux/golang-github-openprinting-ipp-usb?distro=rocky-linux-10\u0026epoch=0"
},
"ranges": [
{
"database_specific": {
"yum_repository": "AppStream"
},
"events": [
{
"introduced": "0"
},
{
"fixed": "0:0.9.27-7.el10_2.3"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"credits": [
{
"name": "Rocky Enterprise Software Foundation"
},
{
"name": "Red Hat"
}
],
"database_specific": {
"license": "CC-BY-4.0",
"license_url": "https://creativecommons.org/licenses/by/4.0/",
"source_advisory": "RHSA-2026:62631"
},
"details": "HTTP reverse proxy, backed by IPP-over-USB connection to device. It enables\n driverless support for USB devices capable of using IPP-over-USB protocol.\n\nSecurity Fix(es):\n\n* mime: golang: Golang MIME: Denial of Service via maliciously-crafted MIME header (CVE-2026-42504)\n\n* encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818)\n\n* net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860)\n\n* net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (CVE-2026-56853)\n\n* crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862)\n\n* encoding/xml: golang: Go: Denial of Service via XML decoding recursion depth issue (CVE-2026-56859)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
"id": "RLSA-2026:62631",
"modified": "2026-09-04T18:12:22.729119Z",
"published": "2026-09-03T12:09:02.205231Z",
"references": [
{
"type": "ADVISORY",
"url": "https://errata.rockylinux.org/RLSA-2026:62631"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515840"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515820"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515827"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2484204"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515815"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2515839"
},
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2026:62631"
}
],
"schema_version": "1.7.0",
"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": "Important: golang-github-openprinting-ipp-usb security update",
"upstream": [
"CVE-2026-33818",
"CVE-2026-42504",
"CVE-2026-56853",
"CVE-2026-56859",
"CVE-2026-56860",
"CVE-2026-56862"
]
}
CVE-2026-33818 (GCVE-0-2026-33818)
Vulnerability from cvelistv5 – Published: 2026-08-13 21:58 – Updated: 2026-09-02 19:37- CWE-400 - Uncontrolled Resource Consumption
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | encoding/asn1 |
Affected:
0 , < 1.25.13
(semver)
Affected: 1.26.0-0 , < 1.26.6 (semver) Affected: 1.27.0-0 , < 1.27.0-rc.3 (semver) |
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{
"collectionURL": "https://pkg.go.dev",
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{
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"value": "Enforce a recursion limit in Unmarshal to prevent stack exhaustion when parsing deeply-nested, recursive structures."
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},
{
"url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
},
{
"url": "https://go.dev/cl/814980"
},
{
"url": "https://pkg.go.dev/vuln/GO-2026-5972"
}
],
"title": "Enforce maximum recursion depth in encoding/asn1"
}
},
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CVE-2026-42504 (GCVE-0-2026-42504)
Vulnerability from cvelistv5 – Published: 2026-06-02 22:01 – Updated: 2026-09-02 19:37- CWE-407 - Inefficient Algorithmic Complexity
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | mime |
Affected:
0 , < 1.25.11
(semver)
Affected: 1.26.0-0 , < 1.26.4 (semver) |
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"collectionURL": "https://pkg.go.dev",
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"packageName": "mime",
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"name": "WordDecoder.DecodeHeader"
}
],
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"version": "1.26.0-0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "p4p3r (https://hackerone.com/p4p3r_hak)"
}
],
"descriptions": [
{
"lang": "en",
"value": "Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU."
}
],
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},
{
"url": "https://pkg.go.dev/vuln/GO-2026-5038"
}
],
"title": "Quadratic complexity in WordDecoder.DecodeHeader in mime"
}
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CVE-2026-56853 (GCVE-0-2026-56853)
Vulnerability from cvelistv5 – Published: 2026-08-13 21:58 – Updated: 2026-08-14 15:23- CWE-770 - Allocation of Resources Without Limits or Throttling
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.25.13
(semver)
Affected: 1.26.0-0 , < 1.26.6 (semver) Affected: 1.27.0-0 , < 1.27.0-rc.3 (semver) |
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"collectionURL": "https://pkg.go.dev",
"defaultStatus": "unaffected",
"packageName": "net/http",
"product": "net/http",
"programRoutines": [
{
"name": "conn.readRequest"
},
{
"name": "conn.serve"
},
{
"name": "ListenAndServe"
},
{
"name": "ListenAndServeTLS"
},
{
"name": "Serve"
},
{
"name": "ServeTLS"
},
{
"name": "Server.ListenAndServe"
},
{
"name": "Server.ListenAndServeTLS"
},
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"name": "Server.Serve"
},
{
"name": "Server.ServeTLS"
}
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"descriptions": [
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"lang": "en",
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"title": "Apply ReadHeaderTimeout when doing unencrypted HTTP/2 check in net/http"
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CVE-2026-56859 (GCVE-0-2026-56859)
Vulnerability from cvelistv5 – Published: 2026-08-13 21:58 – Updated: 2026-08-14 15:21- CWE-770 - Allocation of Resources Without Limits or Throttling
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | encoding/xml |
Affected:
0 , < 1.25.13
(semver)
Affected: 1.26.0-0 , < 1.26.6 (semver) Affected: 1.27.0-0 , < 1.27.0-rc.3 (semver) |
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"cna": {
"affected": [
{
"collectionURL": "https://pkg.go.dev",
"defaultStatus": "unaffected",
"packageName": "encoding/xml",
"product": "encoding/xml",
"programRoutines": [
{
"name": "Decoder.push"
},
{
"name": "Decoder.pop"
},
{
"name": "Decoder.RawToken"
},
{
"name": "Decoder.unmarshalPath"
},
{
"name": "Decoder.unmarshal"
},
{
"name": "Decoder.Decode"
},
{
"name": "Decoder.DecodeElement"
},
{
"name": "Decoder.Skip"
},
{
"name": "Decoder.Token"
},
{
"name": "Unmarshal"
}
],
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"lessThan": "1.25.13",
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"url": "https://groups.google.com/g/golang-announce/c/94pEornpRlI"
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],
"title": "Add recursion depth guard during decode in encoding/xml"
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CVE-2026-56860 (GCVE-0-2026-56860)
Vulnerability from cvelistv5 – Published: 2026-08-13 21:58 – Updated: 2026-08-14 16:14- CWE-407 - Inefficient Algorithmic Complexity
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | net/url |
Affected:
0 , < 1.25.13
(semver)
Affected: 1.26.0-0 , < 1.26.6 (semver) Affected: 1.27.0-0 , < 1.27.0-rc.3 (semver) |
{
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"title": "CISA ADP Vulnrichment"
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],
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{
"collectionURL": "https://pkg.go.dev",
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"packageName": "net/url",
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],
"descriptions": [
{
"lang": "en",
"value": "Previously, resolving relative paths containing parent directory (\u0027..\u0027) segments performed string conversions and buffer rewrites on each step, resulting in quadratic time complexity and high memory allocation overhead. Now, path resolution operates on a byte buffer using index-based backtracking for \u0027..\u0027 segments, eliminating the quadratic time complexity and significantly reducing memory allocations."
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{
"url": "https://pkg.go.dev/vuln/GO-2026-6218"
}
],
"title": "Avoid quadratic complexity in resolvePath in net/url"
}
},
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CVE-2026-56862 (GCVE-0-2026-56862)
Vulnerability from cvelistv5 – Published: 2026-08-13 21:58 – Updated: 2026-08-14 15:29- CWE-770 - Allocation of Resources Without Limits or Throttling
| Vendor | Product | Version | |
|---|---|---|---|
| Go standard library | crypto/tls |
Affected:
0 , < 1.25.13
(semver)
Affected: 1.26.0-0 , < 1.26.6 (semver) Affected: 1.27.0-0 , < 1.27.0-rc.3 (semver) |
{
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},
"title": "CISA ADP Vulnrichment"
}
],
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{
"collectionURL": "https://pkg.go.dev",
"defaultStatus": "unaffected",
"packageName": "crypto/tls",
"product": "crypto/tls",
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{
"name": "Conn.readRecordOrCCS"
},
{
"name": "Conn.Handshake"
},
{
"name": "Conn.HandshakeContext"
},
{
"name": "Conn.Read"
},
{
"name": "Conn.Write"
},
{
"name": "Dial"
},
{
"name": "DialWithDialer"
},
{
"name": "Dialer.Dial"
},
{
"name": "Dialer.DialContext"
},
{
"name": "QUICConn.HandleData"
},
{
"name": "QUICConn.Start"
}
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],
"credits": [
{
"lang": "en",
"value": "Qi Deng of Aurascape.ai"
}
],
"descriptions": [
{
"lang": "en",
"value": "Handshake messages, such as KeyUpdate, are always considered as state-advancing, regardless of whether a handshake has been completed or not. As a result, a malicious client can keep sending KeyUpdate messages to force the server to keep performing key derivation operations indefinitely."
}
],
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{
"description": "CWE-770: Allocation of Resources Without Limits or Throttling",
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}
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"providerMetadata": {
"dateUpdated": "2026-08-13T21:58:53.216Z",
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},
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},
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}
],
"title": "Limit handshake messages we are willing to accept post-handshake in crypto/tls"
}
},
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"dateReserved": "2026-06-23T15:10:49.353Z",
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"state": "PUBLISHED"
},
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.