CVE catalog

CVE-2011-0438

nss-pam-ldapd: CVE-2011-0438

Severity: Low
Source: [NVD] · [CVE record]
EPSS: 1.53% · Oct 25, 2026

nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found in LDAP, which allows remote attackers to bypass authentication.

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	nss-pam-ldapd	sid	`0.9.13-3`	not affected
Debian	nss-pam-ldapd	forky	`0.9.13-3`	not affected
Debian	nss-pam-ldapd	trixie	`0.9.13-1`	not affected
Debian	nss-pam-ldapd	bookworm	`0.9.12-4`	not affected

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	nss-pam-ldapd	source	sid	`Not affected`	unimportant	Not reported	Not reported
Debian	nss-pam-ldapd	source	forky	`Not affected`	unimportant	Not reported	Not reported
Debian	nss-pam-ldapd	source	trixie	`Not affected`	unimportant	Not reported	Not reported
Debian	nss-pam-ldapd	source	bookworm	`Not affected`	unimportant	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libnss-ldapd]Not affected
Source package: [nss-pam-ldapd]
Details (2)
- 0.9.12-4 · amd64 · bookworm
  Not affected
  dsa · nss-pam-ldapd · debian · bookworm
- 0.9.12-4 · arm64 · bookworm
  Not affected
  dsa · nss-pam-ldapd · debian · bookworm
[libpam-ldapd]Not affected
Source package: [nss-pam-ldapd]
Details (2)
- 0.9.12-4 · amd64 · bookworm
  Not affected
  dsa · nss-pam-ldapd · debian · bookworm
- 0.9.12-4 · arm64 · bookworm
  Not affected
  dsa · nss-pam-ldapd · debian · bookworm
[nslcd]Not affected
Source package: [nss-pam-ldapd]
Details (2)
- 0.9.12-4 · amd64 · bookworm
  Not affected
  dsa · nss-pam-ldapd · debian · bookworm
- 0.9.12-4 · arm64 · bookworm
  Not affected
  dsa · nss-pam-ldapd · debian · bookworm
[nslcd-utils]Not affected
Source package: [nss-pam-ldapd]
Details (2)
- 0.9.12-4 · all · bookworm
  Not affected
  dsa · nss-pam-ldapd · debian · bookworm
- 0.9.12-4 · all · bookworm
  Not affected
  dsa · nss-pam-ldapd · debian · bookworm
[pynslcd]Not affected
Source package: [nss-pam-ldapd]
Details (2)
- 0.9.12-4 · all · bookworm
  Not affected
  dsa · nss-pam-ldapd · debian · bookworm
- 0.9.12-4 · all · bookworm
  Not affected
  dsa · nss-pam-ldapd · debian · bookworm

Observed: Oct 23, 2026, 5:05:17 PM UTC

References

[https://security-tracker.debian.org/tracker/CVE-2011-0438]

[Debian Security Tracker] · [FIRST EPSS]