| Name | CVE-2023-28450 |
| Description | An issue was discovered in Dnsmasq before 2.90. The default maximum EDNS.0 UDP packet size was set to 4096 but should be 1232 because of DNS Flag Day 2020. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3974-1, ELA-1152-1, ELA-828-1 |
| Debian Bugs | 1033165 |
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+deb10u3 | fixed |
| buster (security) | 2.80-1+deb10u1 | vulnerable |
| bullseye | 2.85-1 | vulnerable |
| bullseye (security) | 2.85-1+deb11u1 | fixed |
| bookworm | 2.89-1 | vulnerable |
| sid, trixie | 2.90-7 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bookworm] - dnsmasq <no-dsa> (Minor issue)
[buster] - dnsmasq <no-dsa> (Minor issue)
https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=eb92fb32b746f2104b0f370b5b295bb8dd4bd5e5