Vulnerability in N/a
CVE-2021-31806
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing.
EPSS: 0.852 (99.4th percentile) — read the EPSS interpretation.
Affected products
- N/a — versions n/a
Public proof-of-concept exploits
References
- github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xf
- www.squid-cache.org/Versions/v4/changesets/squid-4-e7cf864f938f24eea8af0692c04d…
- DSA-4924 (vendor-advisory)
- FEDORA-2021-c0bec55ec7 (vendor-advisory)
- FEDORA-2021-24af72ff2c (vendor-advisory)
- [debian-lts-announce] 20210614 [SECURITY] [DLA 2685-1] squid3 security update (mailing-list)
- security.netapp.com/advisory/ntap-20210716-0007/
- [oss-security] 20231011 Squid Caching Proxy Security Audit: 55 Vulnerabilities, 35 0days. (mailing-list)
- 20231016 Squid Caching Proxy Security Audit: 55 Vulnerabilities, 35 0days. (mailing-list)
Frequently asked questions
- What is CVE-2021-31806?
- CVE-2021-31806 is a vulnerability in N/a. Published 2021-05-27.
- Is CVE-2021-31806 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.