Vulnerability Description
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.
CVSS Score
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Squid-Cache | Squid | >= 3.0, <= 3.5.28 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2023/10/13/1
- http://www.openwall.com/lists/oss-security/2023/10/13/10
- http://www.openwall.com/lists/oss-security/2023/10/21/1
- http://www.squid-cache.org/Versions/v4/changesets/SQUID-2021_7.patchBroken Link
- http://www.squid-cache.org/Versions/v5/changesets/SQUID-2021_7.patchPatchVendor Advisory
- https://github.com/squid-cache/squid/commit/5e2ea2b13bd98f53e29964ca26bb0d602a8aPatchThird Party Advisory
- https://github.com/squid-cache/squid/security/advisories/GHSA-f5cp-6rh3-284wMitigationPatchThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-46784Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221223-0007/Third Party Advisory
- http://www.openwall.com/lists/oss-security/2023/10/13/1
- http://www.openwall.com/lists/oss-security/2023/10/13/10
- http://www.openwall.com/lists/oss-security/2023/10/21/1
- http://www.squid-cache.org/Versions/v4/changesets/SQUID-2021_7.patchBroken Link
- http://www.squid-cache.org/Versions/v5/changesets/SQUID-2021_7.patchPatchVendor Advisory
- https://github.com/squid-cache/squid/commit/5e2ea2b13bd98f53e29964ca26bb0d602a8aPatchThird Party Advisory
FAQ
What is CVE-2021-46784?
CVE-2021-46784 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.
How severe is CVE-2021-46784?
CVE-2021-46784 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-2021-46784?
Check the references section above for vendor advisories and patch information. Affected products include: Squid-Cache Squid, Debian Debian Linux.