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CVE-2026-33515

MEDIUM

6.5

Descripcion

Squid is a caching proxy for the Web. Prior to version 7.5, due to improper input validation, Squid is vulnerable to out of bounds read when handling ICP traffic. This problem allows a remote attacker to receive small amounts of memory potentially containing sensitive information when responding with errors to invalid ICP requests. This attack is limited to Squid deployments that explicitly enable ICP support (i.e. configure non-zero `icp_port`). This problem cannot be mitigated by denying ICP queries using `icp_access` rules. Version 7.5 contains a patch.

Detalles CVE

Puntuacion CVSS v3.16.5

SeveridadMEDIUM

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado3/26/2026

Ultima modificacion3/31/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

squid-cache:squid

Debilidades (CWE)

CWE-125CWE-1289

Referencias

https://github.com/squid-cache/squid/commit/8138e909d2058d4401e0ad49b583afaec912b165(security-advisories@github.com)

https://github.com/squid-cache/squid/pull/2220(security-advisories@github.com)

https://github.com/squid-cache/squid/pull/2220#discussion_r2727683637(security-advisories@github.com)

https://github.com/squid-cache/squid/security/advisories/GHSA-84p4-hcx7-jj7c(security-advisories@github.com)

http://www.openwall.com/lists/oss-security/2026/03/25/4(af854a3a-2127-422b-91ae-364da2661108)

Correlaciones IOC

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