CVE catalog

CVE-2022-44640

samba: CVE-2022-44640

Severity: Medium
Published: Nov 15, 2022, 11:00:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 2.26% · Oct 22, 2026

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).

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	samba	sid	`2:4.25.0+dfsg-1`	fixed
Debian	samba	forky	`2:4.25.0+dfsg-1`	fixed
Debian	samba	trixie	`2:4.22.11+dfsg-0+deb13u1`	fixed
Debian	samba	trixie-security	`2:4.22.10+dfsg-0+deb13u2`	fixed
Debian	samba	bookworm	`2:4.17.12+dfsg-0+deb12u4`	fixed
Debian	samba	bookworm-security	`2:4.17.12+dfsg-0+deb12u4`	fixed
Debian	heimdal	sid	`7.8.git20240113.1b4565a+dfsg-2`	fixed
Debian	heimdal	forky	`7.8.git20240113.1b4565a+dfsg-2`	fixed
Debian	heimdal	trixie	`7.8.git20221117.28daf24+dfsg-9+deb13u1`	fixed
Debian	heimdal	bookworm	`7.8.git20221117.28daf24+dfsg-2`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	samba	source	sid	`2:4.17.4+dfsg-1`	not yet assigned	Not reported	Not reported
Debian	samba	source	forky	`2:4.17.4+dfsg-1`	not yet assigned	Not reported	Not reported
Debian	samba	source	trixie	`2:4.17.4+dfsg-1`	not yet assigned	Not reported	Not reported
Debian	samba	source	bookworm	`2:4.17.4+dfsg-1`	not yet assigned	Not reported	Not reported
Debian	heimdal	source	sid	`7.8.git20221115.a6cf945+dfsg-1`	not yet assigned	Not reported	[1024187]
Debian	heimdal	source	forky	`7.8.git20221115.a6cf945+dfsg-1`	not yet assigned	Not reported	[1024187]
Debian	heimdal	source	trixie	`7.8.git20221115.a6cf945+dfsg-1`	not yet assigned	Not reported	[1024187]
Debian	heimdal	source	bookworm	`7.8.git20221115.a6cf945+dfsg-1`	not yet assigned	Not reported	[1024187]

[Debian bug #1024187]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[ctdb]Fixed
Source package: [samba]
Details (8)
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm
  Fixed · Fixed: 2:4.17.4+dfsg-1
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm
  Fixed · Fixed: 2:4.17.4+dfsg-1
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 2:4.17.4+dfsg-1
  dsa · samba · debian · bookworm
- 2:4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 2:4.17.4+dfsg-1
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · amd64 · bookworm-security
  Fixed · Fixed: 2:4.17.4+dfsg-1
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u4 · arm64 · bookworm-security
  Fixed · Fixed: 2:4.17.4+dfsg-1
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · amd64 · bookworm-updates
  Fixed · Fixed: 2:4.17.4+dfsg-1
  dsa · samba · debian · bookworm
- 2:4.17.12+dfsg-0+deb12u2 · arm64 · bookworm-updates
  Fixed · Fixed: 2:4.17.4+dfsg-1
  dsa · samba · debian · bookworm
[heimdal-clients]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
[heimdal-dev]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
[heimdal-docs]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · all · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · all · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
[heimdal-kcm]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
[heimdal-kdc]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
[heimdal-multidev]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
[heimdal-servers]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
[ldb-tools]Fixed
Source package: [samba]
Details (8)
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · amd64 · bookworm
  Fixed · Fixed: 2:4.17.4+dfsg-1
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · arm64 · bookworm
  Fixed · Fixed: 2:4.17.4+dfsg-1
  dsa · samba · debian · bookworm
- 2:2.11.0+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 2:4.17.4+dfsg-1
  dsa · samba · debian · bookworm
- 2:2.11.0+samba4.22.6+dfsg-0+deb13u1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 2:4.17.4+dfsg-1
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · amd64 · bookworm-security
  Fixed · Fixed: 2:4.17.4+dfsg-1
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u4 · arm64 · bookworm-security
  Fixed · Fixed: 2:4.17.4+dfsg-1
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u2 · amd64 · bookworm-updates
  Fixed · Fixed: 2:4.17.4+dfsg-1
  dsa · samba · debian · bookworm
- 2:2.6.2+samba4.17.12+dfsg-0+deb12u2 · arm64 · bookworm-updates
  Fixed · Fixed: 2:4.17.4+dfsg-1
  dsa · samba · debian · bookworm
[libasn1-8-heimdal]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
[libgssapi3-heimdal]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
[libhcrypto5-heimdal]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
[libhdb9-heimdal]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
[libheimbase1-heimdal]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
[libheimntlm0-heimdal]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
[libhx509-5-heimdal]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
[libkadm5clnt7-heimdal]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
[libkadm5srv8-heimdal]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
[libkafs0-heimdal]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
[libkdc2-heimdal]Fixed
Source package: [heimdal]
Details (2)
- 7.8.git20221117.28daf24+dfsg-2 · amd64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm
- 7.8.git20221117.28daf24+dfsg-2 · arm64 · bookworm
  Fixed · Fixed: 7.8.git20221115.a6cf945+dfsg-1
  dsa · heimdal · debian · bookworm

Next results

Observed: Oct 23, 2026, 6:30:30 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS]