Vulnerability in Squid-cache Squid
CVE-2023-50269
Squid is a caching proxy for the Web. Due to an Uncontrolled Recursion bug in versions 2.6 through 2.7.STABLE9, versions 3.1 through 5.9, and versions 6.0.1 through 6.5, Squid may be vulnerable to a Denial of Service attack against HTTP Re…
EPSS: 0.011 (78.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Squid-cache Squid — versions >= 2.6, <= 2.7.STABLE9, >= 3.1, <= 5.9, >= 6.0.1, < 6.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/squid-cache/squid/security/advisories/GHSA-wgq4-4cfg-c4x3 (x_refsource_CONFIRM)
- http://www.squid-cache.org/Versions/v5/SQUID-2023_10.patch (x_refsource_MISC)
- http://www.squid-cache.org/Versions/v6/SQUID-2023_10.patch (x_refsource_MISC)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/…
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/…
- lists.debian.org/debian-lts-announce/2024/01/msg00003.html
- security.netapp.com/advisory/ntap-20240119-0005/
Frequently asked questions
- What is CVE-2023-50269?
- CVE-2023-50269 is a high-severity vulnerability in Squid-cache Squid, classified under Uncontrolled Recursion. CVSS score: 8.6/10. Published 2023-12-14.
- How severe is CVE-2023-50269?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2023-50269 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.