CVE catalog

CVE-2026-44054

UBUNTU-CVE-2026-44054

Severity: High · CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: May 21, 2026, 7:34:29 AM UTC
Updated: Oct 1, 2026, 3:03:14 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.28% · Oct 25, 2026

Netatalk 2.0.0 through 4.4.2 generates AFP session tokens derived from predictable process IDs, which allows a remote authenticated attacker to cause a denial of service by exploiting the reconnect mechanism.

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	netatalk	13	`4.2.3~ds-1`	vulnerable
Debian	netatalk	13	`4.2.3~ds-1+deb13u1`	vulnerable
Debian	netatalk	13	`4.2.3~ds-1+deb13u2`	fixed
Debian	netatalk	14	`4.2.3~ds-1`	vulnerable
Debian	netatalk	14	`4.2.3~ds-2`	vulnerable
Debian	netatalk	14	`4.2.3~ds-2.1`	vulnerable
Debian	netatalk	14	`4.4.1~ds-1`	vulnerable
Debian	netatalk	14	`4.4.2~ds-1`	vulnerable
Debian	netatalk	14	`4.4.3~ds-1`	fixed
Ubuntu	netatalk	pro	`3.1.15~ds-1ubuntu1`	vulnerable
Ubuntu	netatalk	pro	`3.1.18~ds-1`	vulnerable
Ubuntu	netatalk	pro	`3.1.18~ds-1build2`	vulnerable
Ubuntu	netatalk	pro	`3.1.18~ds-1build4`	vulnerable
Ubuntu	netatalk	pro	`3.1.18~ds-1ubuntu0.1~esm1`	vulnerable
Ubuntu	netatalk	pro	`3.1.18~ds-1ubuntu0.1~esm2`	vulnerable
Ubuntu	netatalk	pro	`3.1.18~ds-1ubuntu0.1~esm3`	vulnerable
Ubuntu	netatalk	25.10	`4.1.2~ds-4`	vulnerable
Ubuntu	netatalk	25.10	`4.2.1~ds-1`	vulnerable
Ubuntu	netatalk	25.10	`4.2.3~ds-1`	vulnerable
Ubuntu	netatalk	26.04	`4.2.3~ds-1`	vulnerable
Ubuntu	netatalk	26.04	`4.2.3~ds-2`	vulnerable
Ubuntu	netatalk	26.04	`4.2.3~ds-2.1`	vulnerable
Ubuntu	netatalk	26.04	`4.2.3~ds-2.1ubuntu0.1`	vulnerable
Ubuntu	netatalk	26.04	`4.2.3~ds-2.1ubuntu0.2`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	netatalk	deb	13	`4.2.3~ds-1+deb13u2`	Not reported	DEBIAN-CVE-2026-44054	Not reported
Debian	netatalk	deb	14	`4.4.3~ds-1`	Not reported	DEBIAN-CVE-2026-44054	Not reported

OpenFactory catalog packages

[Debian 13 (Trixie)]

[a2boot]Fixed
Source package: [netatalk]
Details (4)
- 4.2.3~ds-1+deb13u2 · amd64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
[atalkd]Fixed
Source package: [netatalk]
Details (4)
- 4.2.3~ds-1+deb13u2 · amd64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
[libatalk]Fixed
Source package: [netatalk]
Details (4)
- 4.2.3~ds-1+deb13u2 · amd64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
[libatalk-dev]Fixed
Source package: [netatalk]
Details (4)
- 4.2.3~ds-1+deb13u2 · amd64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
[macipgw]Fixed
Source package: [netatalk]
Details (4)
- 4.2.3~ds-1+deb13u2 · amd64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
[netatalk]Fixed
Details (4)
- 4.2.3~ds-1+deb13u2 · amd64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
[netatalk-doc]Fixed
Source package: [netatalk]
Details (4)
- 4.2.3~ds-1+deb13u2 · all · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · all · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · all · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · all · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
[netatalk-tests]Fixed
Source package: [netatalk]
Details (4)
- 4.2.3~ds-1+deb13u2 · amd64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
[netatalk-tools]Fixed
Source package: [netatalk]
Details (4)
- 4.2.3~ds-1+deb13u2 · amd64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
[papd]Fixed
Source package: [netatalk]
Details (4)
- 4.2.3~ds-1+deb13u2 · amd64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
[timelord]Fixed
Source package: [netatalk]
Details (4)
- 4.2.3~ds-1+deb13u2 · amd64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13
- 4.2.3~ds-1+deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 4.2.3~ds-1+deb13u2
  pypi · netatalk · debian · 13

Observed: Oct 27, 2026, 7:33:21 AM UTC

References

[FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]