Vulnerability in Squid-Cache Squid
CVE-2021-46784
In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses.
EPSS: 0.045 (90.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Squid-cache Squid
- Debian Debian_linux — versions 10.0, 11.0, 12.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Broken Link)
- cve@mitre.org (Patch, Vendor Advisory)
- cve@mitre.org (Patch, Third Party Advisory, Mitigation)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (mailing-list)
- cve@mitre.org (mailing-list)
- cve@mitre.org (mailing-list)
Frequently asked questions
- What is CVE-2021-46784?
- CVE-2021-46784 is a medium-severity vulnerability in Squid-Cache Squid, classified under Reachable Assertion. CVSS score: 6.5/10. Published 2022-07-17.
- How severe is CVE-2021-46784?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-46784 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.