Package "libfribidi0"

  fribidi (1.0.8-2ubuntu0.1) focal-security; urgency=medium

  * SECURITY UPDATE: Incorrect length checking in processing of line input
    could result in a stack buffer overflow, resulting in a crash or potential
    code execution.
    - debian/patches/CVE-2022-25308.patch: add checking to length of string
      buffer before processing in bin/fribidi-main.c
    - CVE-2022-25308

  * SECURITY UPDATE: Insufficient sanitization of input data to the CapRTL
    encoder could result in a heap buffer overflow, resulting in a crash or
    potential code execution.
    - debian/patches/CVE-2022-25309.patch: add checking and removal of
      dangerous characters before encoding stage, in
      lib/fribidi-char-sets-cap-rtl.c
    - CVE-2022-25309

  * SECURITY UPDATE: Incorrect handling of string pointer can result in a
    crash in fribidi_remove_bidi_marks().
    - debian/patches/CVE-2022-25310.patch: add checking for NULL strings, to avoid
      potential use-after-free in lib/fribidi.c
    - CVE-2022-25310

 -- Ray Veldkamp <email address hidden> Wed, 06 Apr 2022 15:13:58 +1000