Squid Proxy - HTTP Authentication Credentials Disclosure

Squid versions prior to 7.2 fail to redact HTTP authentication credentials in error page responses. The Authorization header value is embedded in plain text inside the mailto: diagnostic block when Squid generates an error page e.g. ERRDNSFAIL. id: CVE-2025-62168 info: name: Squid Proxy - HTTP...

MGASA-2026-0319 Updated squid packages fix security vulnerabilities

The updated packages fix security vulnerabilities: Due to a Improper Validation of Syntactic Correctness of Inputbug, Squid is vulnerable to a Out-of-bounds Read attack against the FTP gateway. CVE-2026-47729 Due to an Improper Input Validation bug, Squid is vulnerable to a Heap-based Buffer...

[SECURITY] Fedora 44 Update: squid-7.6-1.fc44

Squid is a high-performance proxy caching server for Web clients, supporting FTP and HTTP data objects. Unlike traditional caching software, Squid handles all requests in a single, non-blocking, I/O-driven process. Squid keeps meta data and especially hot objects cached in RAM, caches DNS lookups...

Fedora 44 : squid (2026-e6bbab8aa8)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-e6bbab8aa8 advisory. - new version 7.6 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not tested...

[SECURITY] [DLA 4697-1] squid security update

----------------------------------------------------------------------- Debian LTS Advisory DLA-4697-1 [email protected] https://www.debian.org/lts/security/ Utkarsh Gupta July 24, 2026 https://wiki.debian.org/LTS - -----------------------------------------------------------------------...

Debian dla-4697 : squid - security update

The remote Debian 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4697 advisory. - ----------------------------------------------------------------------- Debian LTS Advisory DLA-4697-1 [email protected]...

Squid: Memory corruption in cache_digest reply handling

...

Squid: Memory disclosure in FTP gateway

...

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-2026-47729

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 gateway src/clients/FtpGateway.cc, Squid is vulnerable to an out-of-bounds read: when a listing entry date in the TypeA or TypeB directory-listing formats is not followed...

ALPINE-CVE-2026-47729

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 gateway src/clients/FtpGateway.cc, Squid is vulnerable to an out-of-bounds read: when a listing entry date in the TypeA or TypeB directory-listing formats is not followed...

ALPINE-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-2026-47729 Squid: Memory disclosure in FTP gateway

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 gateway src/clients/FtpGateway.cc, Squid is vulnerable to an out-of-bounds read: when a listing entry date in the TypeA or TypeB directory-listing formats is not followed...

CVE-2026-47729 Squid: Memory disclosure in FTP gateway

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 gateway src/clients/FtpGateway.cc, Squid is vulnerable to an out-of-bounds read: when a listing entry date in the TypeA or TypeB directory-listing formats is not followed...

CVE-2026-47729

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 gateway src/clients/FtpGateway.cc, Squid is vulnerable to an out-of-bounds read: when a listing entry date in the TypeA or TypeB directory-listing formats is not followed...

EUVD-2026-44962

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 gateway src/clients/FtpGateway.cc, Squid is vulnerable to an out-of-bounds read: when a listing entry date in the TypeA or TypeB directory-listing formats is not followed...

CVE-2026-47729

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 gateway src/clients/FtpGateway.cc, Squid is vulnerable to an out-of-bounds read: when a listing entry date in the TypeA or TypeB directory-listing formats is not followed...

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...

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...

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...