CVE-2025-54574

Publication date

2025-08-01 18:02:19

Family

GitHub_M

State

PUBLISHED

Description

Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow and possible remote code execution attack when processing URN due to incorrect buffer management. This has been fixed in version 6.4. To work around this issue, disable URN access permissions.