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...

[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 - -----------------------------------------------------------------------...

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 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

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: 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

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...

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...

K000162296: Squid-Proxy vulnerability CVE-2026-47729

Security Advisory Description This ID has been reserved by a CNA. This candidate has been reserved by a CVE Numbering Authority CNA. This record will be updated by the assigning CNA once details are available. Learn more about the Reserved state here. CVE-2026-47729 Impact There is no impact; F5...

PYSEC-2026-1252 Potential access to sensitive URLs via CKAN extensions (SSRF)

Impact There are a number of CKAN plugins, including XLoader, DataPusher, Resource proxy and ckanext-archiver, that work by downloading the contents of local or remote files in order to perform some actions with their contents e.g. pushing to the DataStore, streaming contents or saving a local...

CVE-2026-47729

A flaw was found in Squid. Due to improper input validation, an out-of-bounds read can occur in the FTP gateway. This issue allows an authenticated and trusted client to read memory from random transactions when accessing a misbehaving FTP server using the Squid gateway feature. Mitigation When F...

CVE-2026-50012

A flaw was found in Squid. Due to improper input validation, a heap-based buffer overflow can occur when processing cache digests. This issue allows a trusted server to cause a denial of service when sending specially crafted replies to cachedigest request messages. Mitigation To mitigate this...

Astra Linux – Vulnerability in Squid

Squid is a caching proxy for the Web. Prior to version 7.5, due to heap use-after-free issues, Squid was vulnerable to Denial of Service attacks when handling ICP traffic. This vulnerability allowed a remote attacker to carry out a reliable and repeatable Denial of Service attack on the Squid...

Astra Linux – Vulnerability in Squid

Squid is a caching proxy for the Web. Prior to version 7.5, due to improper input validation, Squid was vulnerable to out-of-bound reads when handling ICP traffic. This issue allowed a remote attacker to access small amounts of memory that might contain sensitive information, by responding with...