🛡️ CVE-2023-3326 on Debian — libpam-krb5

Distribution advisory

This page covers CVE-2023-3326 as tracked by Debian, for the package libpam-krb5. No fixed version has been recorded for this distribution yet.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: High — total loss, or loss the attacker controls.
• Integrity impact: High — total loss, or loss the attacker controls.
• Availability impact: High — total loss, or loss the attacker controls.

Weakness class

DEBIAN-CVE-2023-3326 is classified as CWE-303: Incorrect Implementation of Authentication Algorithm. The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect.

Affected software

DEBIAN-CVE-2023-3326 is recorded against 1 package.

• libpam-krb5

Timeline and source

Published on 22 June 2023 and last revised on 7 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

security-tracker.debian.org (Advisory)

Other advisories for this package

libpam-krb5 has other advisories on record. If you are patching this one, these are worth checking on the same host:

• UBUNTU-CVE-2023-3326 (published 22 Jun 2023)

Same weakness in other software

These advisories are the same class of weakness (CWE-303: Incorrect Implementation of Authentication Algorithm) in other software:

• CVE-2026-66411 (5.3 Medium, published 10 Aug 2026)
• CVE-2026-11430 (7.3 High, published 7 Aug 2026)
• CVE-2026-59309 (9.8 Critical, published 30 Jul 2026)
• CVE-2026-66028 (6.7 Medium, published 27 Jul 2026)
• CVE-2026-47300 (8.8 High, published 21 Jul 2026)
• CVE-2026-57852 (5.6 Medium, published 20 Jul 2026)
• CVE-2026-50360 (8.8 High, published 14 Jul 2026)
• CVE-2026-41053 (8.8 High, published 7 Jul 2026)

CVE-2023-3326 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Affected Packages

References