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CVE Watch15 jul 2026

CVE-2026-33526

Squid is a caching proxy for the Web. Prior to version 7.5, due to heap Use-After-Free, Squid is vulnerable to Denial of Service when handli

CVSS

7.5

Alto

EPSS

9.1%

p95

KEV

—

Exploit Today

29

0-100

Publicado: 26 mar 2026 · Última mod.: 15 jul 2026 · CWE-416 · CWE-826 · CWE-825

EPSS · 30d
8.9%EPSS · 30 días12.8%
2026-10-012026-10-28
Descripción técnica

Squid is a caching proxy for the Web. Prior to version 7.5, due to heap Use-After-Free, Squid is vulnerable to Denial of Service when handling ICP traffic. This problem allows a remote attacker to perform a reliable and repeatable Denial of Service attack against the Squid service using ICP protocol. 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.

Referencias oficiales
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