CVE catalog

CVE-2009-0887

pam: CVE-2009-0887

Severity: Medium
Published: Mar 12, 2009, 3:20:50 PM UTC
Source: [NVD] · [CVE record]
EPSS: 1.93% · Oct 25, 2026

Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM (aka pam) 1.0.3 and earlier, when a configuration file contains non-ASCII usernames, might allow remote attackers to cause a denial of service, and might allow remote authenticated users to obtain login access with a different user's non-ASCII username, via a login attempt.

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	pam	sid	`1.7.0-8`	fixed
Debian	pam	forky	`1.7.0-8`	fixed
Debian	pam	trixie	`1.7.0-5`	fixed
Debian	pam	bookworm	`1.5.2-6+deb12u2`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	pam	source	sid	`1.0.1-10`	low	Not reported	[520115]
Debian	pam	source	forky	`1.0.1-10`	low	Not reported	[520115]
Debian	pam	source	trixie	`1.0.1-10`	low	Not reported	[520115]
Debian	pam	source	bookworm	`1.0.1-10`	low	Not reported	[520115]

[Debian bug #520115]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libpam0g]Fixed
Source package: [pam]
Details (2)
- 1.5.2-6+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · bookworm; dsa · pam · debian · 12
- 1.5.2-6+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · bookworm; dsa · pam · debian · 12
[libpam0g-dev]Fixed
Source package: [pam]
Details (2)
- 1.5.2-6+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · bookworm; dsa · pam · debian · 12
- 1.5.2-6+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · bookworm; dsa · pam · debian · 12
[libpam-doc]Fixed
Source package: [pam]
Details (2)
- 1.5.2-6+deb12u2 · all · bookworm
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · bookworm; dsa · pam · debian · 12
- 1.5.2-6+deb12u2 · all · bookworm
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · bookworm; dsa · pam · debian · 12
[libpam-modules]Fixed
Source package: [pam]
Details (2)
- 1.5.2-6+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · bookworm; dsa · pam · debian · 12
- 1.5.2-6+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · bookworm; dsa · pam · debian · 12
[libpam-modules-bin]Fixed
Source package: [pam]
Details (2)
- 1.5.2-6+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · bookworm; dsa · pam · debian · 12
- 1.5.2-6+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · bookworm; dsa · pam · debian · 12
[libpam-runtime]Fixed
Source package: [pam]
Details (2)
- 1.5.2-6+deb12u2 · all · bookworm
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · bookworm; dsa · pam · debian · 12
- 1.5.2-6+deb12u2 · all · bookworm
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · bookworm; dsa · pam · debian · 12

[Debian 13 (Trixie)]

[libpam0g]Fixed
Source package: [pam]
Details (2)
- 1.7.0-5 · amd64 · trixie
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · 13
- 1.7.0-5 · arm64 · trixie
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · 13
[libpam0g-dev]Fixed
Source package: [pam]
Details (2)
- 1.7.0-5 · amd64 · trixie
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · 13
- 1.7.0-5 · arm64 · trixie
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · 13
[libpam-doc]Fixed
Source package: [pam]
Details (2)
- 1.7.0-5 · all · trixie
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · 13
- 1.7.0-5 · all · trixie
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · 13
[libpam-modules]Fixed
Source package: [pam]
Details (2)
- 1.7.0-5 · amd64 · trixie
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · 13
- 1.7.0-5 · arm64 · trixie
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · 13
[libpam-modules-bin]Fixed
Source package: [pam]
Details (2)
- 1.7.0-5 · amd64 · trixie
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · 13
- 1.7.0-5 · arm64 · trixie
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · 13
[libpam-runtime]Fixed
Source package: [pam]
Details (2)
- 1.7.0-5 · all · trixie
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · 13
- 1.7.0-5 · all · trixie
  Fixed · Fixed: 1.0.1-10
  dsa · pam · debian · 13

Observed: Oct 23, 2026, 5:04:30 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]