Vulnerability Description
An issue was discovered in Squid 4.x before 4.15 and 5.x before 5.0.6. If a remote server sends a certain response header over HTTP or HTTPS, there is a denial of service. This header can plausibly occur in benign network traffic.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Squid-Cache | Squid | >= 4.0.1, < 4.15 |
| Debian | Debian Linux | 10.0 |
| Fedoraproject | Fedora | 33 |
Related Weaknesses (CWE)
References
- http://seclists.org/fulldisclosure/2023/Oct/14Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2023/10/11/3Mailing ListThird Party Advisory
- http://www.squid-cache.org/Versions/v6/changesets/squid-6-051824924c709bd6162a37PatchVendor Advisory
- https://github.com/squid-cache/squid/commit/051824924c709bd6162a378f746fb859454cPatchThird Party Advisory
- https://github.com/squid-cache/squid/security/advisories/GHSA-jjq6-mh2h-g39hPatchThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://www.debian.org/security/2021/dsa-4924Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Oct/14Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2023/10/11/3Mailing ListThird Party Advisory
- http://www.squid-cache.org/Versions/v6/changesets/squid-6-051824924c709bd6162a37PatchVendor Advisory
- https://github.com/squid-cache/squid/commit/051824924c709bd6162a378f746fb859454cPatchThird Party Advisory
- https://github.com/squid-cache/squid/security/advisories/GHSA-jjq6-mh2h-g39hPatchThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2021-28662?
CVE-2021-28662 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An issue was discovered in Squid 4.x before 4.15 and 5.x before 5.0.6. If a remote server sends a certain response header over HTTP or HTTPS, there is a denial of service. This header can plausibly oc...
How severe is CVE-2021-28662?
CVE-2021-28662 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-28662?
Check the references section above for vendor advisories and patch information. Affected products include: Squid-Cache Squid, Debian Debian Linux, Fedoraproject Fedora.