VulnerabilityModified
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.
MEDIUM 6.5EPSS 4.84%
Does this matter?
Lower severity and a low EPSS score (4.84%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 4.84% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-617
- Affected
- squid-cache/squid · debian/debian linux
- Source
- cve@mitre.org
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.patchPatch, Vendor Advisory
- https://github.com/squid-cache/squid/commit/5e2ea2b13bd98f53e29964ca26bb0d602a8a12b9Patch, Third Party Advisory
- https://github.com/squid-cache/squid/security/advisories/GHSA-f5cp-6rh3-284wMitigation, Patch, Third 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.patchPatch, Vendor Advisory
- https://github.com/squid-cache/squid/commit/5e2ea2b13bd98f53e29964ca26bb0d602a8a12b9Patch, Third Party Advisory
- https://github.com/squid-cache/squid/security/advisories/GHSA-f5cp-6rh3-284wMitigation, Patch, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-46784Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221223-0007/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.