CVE-2022-0934
CVE-2022-0934
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 7.5 · High · EPSS 2.6% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
dnsmasq
- Versions
- Not-Known: Affected
No fix published
dnsmasq Debian:12
- Affected ranges
- ECOSYSTEM: < 2.87-1
Update to 2.87-1
dnsmasq Debian:13
- Affected ranges
- ECOSYSTEM: < 2.87-1
Update to 2.87-1
dnsmasq Debian:14
- Affected ranges
- ECOSYSTEM: < 2.87-1
Update to 2.87-1
dnsmasq Ubuntu:Pro:14.04:LTS
- Versions
- 2.66-4ubuntu1
- 2.67-1
- 2.68-1
- 2.68-1ubuntu0.1
- 2.68-1ubuntu0.2
- Affected ranges
- ECOSYSTEM: < 2.68-1ubuntu0.2+esm1
Update to 2.68-1ubuntu0.2+esm1
dnsmasq Ubuntu:Pro:16.04:LTS
- Versions
- 2.75-1
- 2.75-1ubuntu0.16.04.1
- 2.75-1ubuntu0.16.04.2
- 2.75-1ubuntu0.16.04.3
- 2.75-1ubuntu0.16.04.4
- 2.75-1ubuntu0.16.04.5
- 2.75-1ubuntu0.16.04.7
- 2.75-1ubuntu0.16.04.8
- 2.75-1ubuntu0.16.04.10
- Affected ranges
- ECOSYSTEM: < 2.75-1ubuntu0.16.04.10+esm1
Update to 2.75-1ubuntu0.16.04.10+esm1
dnsmasq Ubuntu:18.04:LTS
- Versions
- 2.78-1
- 2.78-3
- 2.79-1
- 2.79-1ubuntu0.2
- 2.79-1ubuntu0.3
- 2.79-1ubuntu0.4
- 2.79-1ubuntu0.5
- Affected ranges
- ECOSYSTEM: < 2.79-1ubuntu0.6
Update to 2.79-1ubuntu0.6
dnsmasq Ubuntu:20.04:LTS
- Versions
- 2.80-1ubuntu2
- 2.80-1ubuntu4
- 2.80-1.1ubuntu1
- 2.80-1.1ubuntu1.2
- 2.80-1.1ubuntu1.3
- 2.80-1.1ubuntu1.4
- Affected ranges
- ECOSYSTEM: < 2.80-1.1ubuntu1.5
Update to 2.80-1.1ubuntu1.5
dnsmasq Ubuntu:22.04:LTS
- Versions
- 2.85-1ubuntu2
- 2.86-1.1
- Affected ranges
- ECOSYSTEM: < 2.86-1.1ubuntu0.1
Update to 2.86-1.1ubuntu0.1
Original sources
- https://bugzilla.redhat.com/show_bug.cgi?id=2057075
- https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html
- https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39
- https://access.redhat.com/security/cve/CVE-2022-0934
- https://lists.debian.org/debian-lts-announce/2024/11/msg00035.html
- https://nvd.nist.gov/vuln/detail/CVE-2022-0934