| Name | CVE-2025-12199 |
| Description | A vulnerability was found in dnsmasq up to 2.73rc6. Affected by this vulnerability is the function check_servers of the file src/network.c of the component Config File Handler. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| dnsmasq (PTS) | bullseye | 2.85-1 | vulnerable |
| bullseye (security) | 2.85-1+deb11u1 | vulnerable |
| bookworm | 2.90-4~deb12u1 | vulnerable |
| forky, sid, trixie | 2.91-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| dnsmasq | source | (unstable) | (unfixed) | unimportant | | |
Notes
Doesn't cross any security boundary, config files are trusted