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Package "libcap2"

Name: libcap2

Description:

POSIX 1003.1e capabilities (library)
Latest version: 1:2.66-5ubuntu2.4
Release: noble (24.04)
Level: security
Repository: main
Homepage: https://sites.google.com/site/fullycapable/

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base main 1:2.66-5ubuntu2
updates main 1:2.66-5ubuntu2.4

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Version: 1:2.66-5ubuntu2.4 2026-04-21 17:09:40 UTC

  libcap2 (1:2.66-5ubuntu2.4) noble-security; urgency=medium

  * SECURITY UPDATE: potential TOCTOU race condition in cap_set_file()
    - debian/patches/CVE-2026-4878.patch: fix race in libcap/cap_file.c,
      progs/quicktest.sh.
    - CVE-2026-4878

 -- Marc Deslauriers <email address hidden> Thu, 09 Apr 2026 11:04:27 -0400
Source diff to previous version
CVE-2026-4878 A flaw was found in libcap. A local unprivileged user can exploit a Time-of-check-to-time-of-use (TOCTOU) race condition in the `cap_set_file()` func

Version: 1:2.66-5ubuntu2.2 2025-02-24 17:07:05 UTC

  libcap2 (1:2.66-5ubuntu2.2) noble-security; urgency=medium

  * SECURITY UPDATE: incorrect group name handling
    - debian/patches/CVE-2025-1390-1.patch: fix potential configuration
      parsing error in pam_cap/pam_cap.c.
    - debian/patches/CVE-2025-1390-2.patch: add a test for bad group prefix
      in pam_cap/sudotest.conf.
    - CVE-2025-1390

 -- Marc Deslauriers <email address hidden> Thu, 20 Feb 2025 10:49:57 -0500
CVE-2025-1390 The PAM module pam_cap.so of libcap configuration supports group names starting with “@”, during actual parsing, configurations not starting with “@”


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