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OpenAdvisories

Vendor

squid-cache

19 known vulnerabilities.

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  • Critical 9.2

    Squid vulnerable to Denial of Service in ICP Request handling

    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 aga…

  • Critical 10.0
    CVE-2025-62168 Public exploit EPSS 62%

    Squid vulnerable to information disclosure via authentication credential leakage in error handling

    Squid is a caching proxy for the Web. In Squid versions prior to 7.2, a failure to redact HTTP authentication credentials in error handling allows information disclosure. The vulnerability allows a script to bypass browser security protections and learn the c…

  • Critical 9.3
    CVE-2025-54574 Public exploit EPSS 22%

    Squid's URN Handling can lead to Buffer Overflow

    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…