| Name | CVE-2022-44640 |
| Description | Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an invalid free in the ASN.1 codec used by the Key Distribution Center (KDC). |
| 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-3206-1, DSA-5287-1 |
| Debian Bugs | 1024187 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| heimdal (PTS) | buster | 7.5.0+dfsg-3 | vulnerable |
| buster (security) | 7.5.0+dfsg-3+deb10u2 | fixed |
| bullseye (security), bullseye | 7.7.0+dfsg-2+deb11u3 | fixed |
| bookworm | 7.8.git20221117.28daf24+dfsg-2 | fixed |
| sid, trixie | 7.8.git20221117.28daf24+dfsg-3 | fixed |
| samba (PTS) | buster | 2:4.9.5+dfsg-5+deb10u3 | vulnerable |
| buster (security) | 2:4.9.5+dfsg-5+deb10u4 | vulnerable |
| bullseye (security), bullseye | 2:4.13.13+dfsg-1~deb11u5 | vulnerable |
| bookworm, bookworm (security) | 2:4.17.12+dfsg-0+deb12u1 | fixed |
| sid, trixie | 2:4.19.3+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/heimdal/heimdal/security/advisories/GHSA-88pm-hfmq-7vv4
https://github.com/heimdal/heimdal/commit/ea5ec8f174920cb80ce2b168b49195378420449e (heimdal-7.7.1)
https://bugzilla.samba.org/show_bug.cgi?id=14929