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...

Important: squid

Issue Overview: Due to an Improper Input Validation bug, Squid is vulnerable to a Heap-based Buffer Overflow attack against cache digests. This problem allows a trusted server to perform a Heap-based Buffer Overflow when sending maliciously crafted replies to cachedigest request messages. This...

Squid < 7.6 Heap-based Buffer Overflow

The version of Squid on the remote host is prior to 7.6. It is, therefore, affected by a heap-based buffer overflow vulnerability: - Due to an Improper Input Validation bug, Squid is vulnerable to a Heap-based Buffer Overflow attack against cache digests. This problem allows a trusted server to...

Citrix DAAS Local Host Cache

Introduction This article is a summary of the top support articles related to Local Host Cache / High Availability mode for Citrix Desktops-as-a-Service DaaS Top Support Knowledge Content CTX312157 - Citrix DaaS in an Outage State and Local Host Cache CTX272155 - Enable Local Host Cache with...