PT-2026-20367 · Unknown · Libp11-Kit

Zoltan Fridrich · Published 2026-01-01 · Updated 2026-05-27 · CVE-2026-2100

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions libp11-kit versions prior to 0.26.2-1.1

Description The software contains a NULL dereference issue occurring via the C DeriveKey function when provided with specific NULL parameters.

Recommendations Update to libp11-kit version 0.26.2-1.1 or later.

Fix

DoS

Access of Uninitialized Pointer

Weakness Enumeration

CWE-824

Related Identifiers

ALSA-2026:18143

ALSA-2026:18599

CVE-2026-2100

ECHO-7889-82B6-071E

OPENSUSE-SU-2026:10169-1

RHSA-2026:18143

RHSA-2026:18599

RHSA-2026:7065

Affected Products

Libp11-Kit

References · 23

• https://github.com/p11-glue/p11-kit/pull/740 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-2100 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2437308 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2026:18143 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-2100 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2026:21275 · Vendor Advisory
• https://access.redhat.com/security/cve/CVE-2026-2100 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-2100 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:10169-1 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2026:18143 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2026:18599 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2026:18599 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2026:7065 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-2100 · Vendor Advisory
• https://errata.almalinux.org/9/ALSA-2026-18599.html · Vendor Advisory