CVE Watch16 jul 2026

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 (peerDigestSwapIn

CVSS

5.5

Medio

EPSS

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KEV

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Exploit Today

0-100

Publicado: 16 jul 2026 · Última mod.: 16 jul 2026 · CWE-20 · CWE-122

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

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/peer_digest.cc), Squid is vulnerable to a heap-based buffer overflow: a cache digest's on-the-wire size may be larger than the mask_size declared within the digest, so a trusted peer sending a maliciously crafted reply to a cache_digest request message can trigger the overflow. This attack is limited to Squid instances compiled with the --enable-cache-digests option and configured with cache_peer entries. This issue is fixed in version 7.6.

Referencias oficiales

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