| Name | CVE-2022-0934 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | ELA-1152-1, ELA-828-1 |
| Debian Bugs | 1014715 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| dnsmasq (PTS) | jessie, jessie (lts) | 2.72-3+deb8u7 | fixed |
| stretch (security) | 2.76-5+deb9u3 | vulnerable |
| stretch (lts), stretch | 2.76-5+deb9u4 | fixed |
| buster, buster (lts) | 2.80-1+deb10u2 | fixed |
| buster (security) | 2.80-1+deb10u1 | vulnerable |
| bullseye | 2.85-1 | vulnerable |
| bookworm | 2.89-1 | fixed |
| sid, trixie | 2.90-4 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bullseye] - dnsmasq <no-dsa> (Minor issue)
[buster] - dnsmasq <no-dsa> (Minor issue)
[stretch] - dnsmasq <no-dsa> (Minor issue)
https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html
https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=03345ecefeb0d82e3c3a4c28f27c3554f0611b39 (v2.87rc1)