Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : Squid vulnerabilities (USN-8941-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8941-1 advisory. It was discovered that Squid incorrectly handled certain HTTP Transfer- Encoding headers. An attacker cou...

USN-8941-1 squid, squid3 vulnerabilities

It was discovered that Squid incorrectly handled certain HTTP Transfer- Encoding headers. An attacker could possibly use this issue to perform HTTP request smuggling attacks, bypass security mechanisms, or poison web caches. CVE-2026-61642 It was discovered that Squid incorrectly handled certain...

USN-8941-1: Squid vulnerabilities

It was discovered that Squid incorrectly handled certain HTTP Transfer- Encoding headers. An attacker could possibly use this issue to perform HTTP request smuggling attacks, bypass security mechanisms, or poison web caches. CVE-2026-61642 It was discovered that Squid incorrectly handled certain...

CentOS Linux 8 [TuxCare] Security Update: squid Multiple Vulnerabilities (CENTOS-STREAM8:CLSA-2026:1784986918)

The CentOS Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare CENTOS-STREAM8:CLSA-2026:1784986918 advisory. - Squid is a caching proxy for the Web. Prior to 7.6, due to an improper validation of syntactic correctness of input in the FTP...

Rocky Linux 9.6 [TuxCare] Security Update: squid Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1784801979)

The Rocky Linux 9.6 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784801979 advisory. - Squid is a caching proxy for the Web. Prior to 7.6, due to an improper validation of syntactic correctness of input in the FTP...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: httpd (UTSA-2023-003837)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2023-003837 advisory. Apache HTTP Server versions 2.4.20 to 2.4.43. A specially crafted value for the 'Cache-Digest' header in a HTTP/2 request would result in a crash when the server...

CLSA-2026-1786353802 squid: Fix of 2 CVEs

CVE-2026-47729: fix out-of-bounds read in FTP gateway directory-listing parser when a listing entry date is not followed by a filename - CVE-2026-50012: fix heap buffer overflow in cache digest reply handling peerDigestSwapInMask by bounding mask data against the declared masksize...

CLSA-2026-1785147682 squid: Fix of 2 CVEs

CVE-2026-47729: fix out-of-bounds read in the FTP gateway directory listing parser that could disclose memory from unrelated transactions - CVE-2026-50012: fix heap buffer overflow in cache digest reply handling when the on-the-wire payload exceeds the advertised mask size...

CLSA-2026-1784805092 squid: Fix of 2 CVEs

CVE-2026-47729: fix out-of-bounds read in FTP gateway directory-listing parser when a listing entry date is not followed by a filename - CVE-2026-50012: fix heap buffer overflow in cache digest reply handling peerDigestSwapInMask by bounding mask data against the declared masksize...

CLSA-2026-1784805083 squid: Fix of 2 CVEs

CVE-2026-47729: fix out-of-bounds read in FTP gateway directory-listing parser when a listing entry date is not followed by a filename - CVE-2026-50012: fix heap buffer overflow in cache digest reply handling peerDigestSwapInMask by bounding mask data against the declared masksize...

CLSA-2026-1784801979 squid: Fix of 2 CVEs

CVE-2026-47729: fix out-of-bounds read in the FTP gateway directory listing parser that could disclose memory from unrelated transactions - CVE-2026-50012: fix heap buffer overflow in cache digest reply handling when the on-the-wire payload exceeds the advertised mask size...

squid: Fix of 2 CVEs

CVE-2026-47729: fix out-of-bounds read in the FTP directory listing parser ftpListParseParts by stopping the whitespace skip at the end of the input buffer - CVE-2026-50012: fix heap buffer overflow in peerDigestSwapInMask by rejecting cache digest replies whose mask data exceeds the declared...

CLSA-2026-1784713205 Fix CVE(s): CVE-2026-47729, CVE-2026-50012

SECURITY UPDATE: out-of-bounds read in FTP gateway listing parser - debian/patches/CVE-2026-47729.patch: guard against a NUL byte before strchr in ftpListParseParts, preventing an out-of-bounds read that could disclose memory from unrelated transactions - CVE-2026-47729 SECURITY UPDATE: heap buff...

CLSA-2026-1784713308 squid: Fix of 2 CVEs

CVE-2026-47729: fix out-of-bounds read in the FTP gateway directory listing parser that could disclose memory from unrelated transactions - CVE-2026-50012: fix heap buffer overflow in cache digest reply handling when the on-the-wire payload exceeds the advertised mask size...

Squid: Memory corruption in cache_digest reply handling

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AZL-92447 CVE-2026-50012 affecting package squid for versions less than 6.13-5

Squid is a caching proxy for the Web. Prior to 7.6, due to an improper input validation bug in cache digest reply handling peerDigestSwapInMask in src/peerdigest.cc, Squid is vulnerable to a heap-based buffer overflow: a cache digest's on-the-wire size may be larger than the masksize declared...

CVE-2026-50012

Squid is a caching proxy for the Web. Prior to 7.6, due to an improper input validation bug in cache digest reply handling peerDigestSwapInMask in src/peerdigest.cc, Squid is vulnerable to a heap-based buffer overflow: a cache digest's on-the-wire size may be larger than the masksize declared...

CVE-2026-50012

CVE-2026-50012 describes a heap-based buffer overflow in Squid’s cache_digest reply handling (peerDigestSwapInMask in src/peer_digest.cc). The issue arises from improper input validation where a cache digest’s on-the-wire size can exceed the mask_size declared in the digest, exploitable by a trus...

EUVD-2026-44961

Squid is a caching proxy for the Web. Prior to 7.6, due to an improper input validation bug in cache digest reply handling peerDigestSwapInMask in src/peerdigest.cc, Squid is vulnerable to a heap-based buffer overflow: a cache digest's on-the-wire size may be larger than the masksize declared...

CVE-2026-50012 Squid: Memory corruption in cache_digest reply handling

Squid is a caching proxy for the Web. Prior to 7.6, due to an improper input validation bug in cache digest reply handling peerDigestSwapInMask in src/peerdigest.cc, Squid is vulnerable to a heap-based buffer overflow: a cache digest's on-the-wire size may be larger than the masksize declared...