CVE-2021-46784

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 10.85% Top 10%
Vendor Advisory squid-cache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/squid-cache/squid/commit/5e2ea2b13bd98f53e29964ca26bb0d602a8a12b9 third party advisory patch
http://www.squid-cache.org/Versions/v4/changesets/SQUID-2021_7.patch broken link
http://www.squid-cache.org/Versions/v5/changesets/SQUID-2021_7.patch patch vendor advisory
https://github.com/squid-cache/squid/security/advisories/GHSA-f5cp-6rh3-284w third party advisory patch mitigation
https://security-tracker.debian.org/tracker/CVE-2021-46784 third party advisory
https://security.netapp.com/advisory/ntap-20221223-0007/ third party advisory
http://www.openwall.com/lists/oss-security/2023/10/13/1 mailing list
http://www.openwall.com/lists/oss-security/2023/10/13/10 mailing list
http://www.openwall.com/lists/oss-security/2023/10/21/1 mailing list

Frequently Asked Questions

What is the severity of CVE-2021-46784?
CVE-2021-46784 has been scored as a medium severity vulnerability.
How to fix CVE-2021-46784?
To fix CVE-2021-46784, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-46784 being actively exploited in the wild?
It is possible that CVE-2021-46784 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~11% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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