Vulnerability Monitor

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CVE-2022-0934

A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service.

Published

2022-08-29T15:15:10.087

Last Modified

2025-11-03T22:15:55.280

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

Weaknesses

Type: Secondary
CWE-416
Type: Secondary
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	thekelleys	dnsmasq	< 2.87	Yes
Operating System	redhat	enterprise_linux	8.0	Yes
Operating System	redhat	enterprise_linux	9.0	Yes

References

https://access.redhat.com/security/cve/CVE-2022-0934 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=2057075 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html Mailing List, Vendor Advisory ([email protected])
https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39 Broken Link ([email protected])
https://access.redhat.com/security/cve/CVE-2022-0934 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=2057075 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2024/11/msg00035.html (af854a3a-2127-422b-91ae-364da2661108)
https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html Mailing List, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39 Broken Link (af854a3a-2127-422b-91ae-364da2661108)