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Package "libharfbuzz-gobject0"

Name: libharfbuzz-gobject0

Description:

OpenType text shaping engine ICU backend (GObject library)
Latest version: 2.6.4-1ubuntu4.3
Release: focal (20.04)
Level: security
Repository: main
Head package: harfbuzz
Homepage: https://www.freedesktop.org/wiki/Software/HarfBuzz

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Other versions of "libharfbuzz-gobject0" in Focal

Repository Area Version
base main 2.6.4-1ubuntu4
updates main 2.6.4-1ubuntu4.3

Changelog

Version: 2.6.4-1ubuntu4.3 2025-02-03 17:06:51 UTC

  harfbuzz (2.6.4-1ubuntu4.3) focal-security; urgency=medium

  * SECURITY UPDATE: resource consumption via consecutive marks
    - debian/patches/CVE-2023-25193-pre1.patch: refactor
      skippy_iter.match() in src/hb-ot-layout-gsubgpos.hh.
    - debian/patches/CVE-2023-25193-1.patch: avoid O(n^2) behavior in
      mark-attachment in src/hb-ot-layout-gsubgpos.hh,
      src/hb-ot-layout-gpos-table.hh.
    - debian/patches/CVE-2023-25193-2.patch: optimize
      _infos_set_glyph_flags to avoid O(n^2) behavior in src/hb-buffer.hh.
    - debian/patches/CVE-2023-25193-3.patch: fix up previous commit in
      src/hb-buffer.hh.
    - debian/patches/CVE-2023-25193-4.patch: fix assert fail introduced
      recently in src/hb-ot-layout-gpos-table.hh.
    - CVE-2023-25193

 -- Marc Deslauriers <email address hidden> Thu, 30 Jan 2025 15:12:30 -0500
Source diff to previous version
CVE-2023-25193 hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back

Version: 2.6.4-1ubuntu4.2 2022-07-19 14:06:17 UTC

  harfbuzz (2.6.4-1ubuntu4.2) focal-security; urgency=medium

  * SECURITY UPDATE: DoS via integer overflow
    - debian/patches/CVE-2022-33068-1.patch: limit glyph extents in
      src/hb-ot-color-sbix-table.hh.
    - debian/patches/CVE-2022-33068-2.patch: fix conditional in
      src/hb-ot-color-sbix-table.hh.
    - CVE-2022-33068
  * debian/rules: increase fuzzer timeouts to fix FTBFS on riscv64.

 -- Marc Deslauriers <email address hidden> Wed, 13 Jul 2022 12:43:13 -0400
CVE-2022-33068 An integer overflow in the component hb-ot-shape-fallback.cc of Harfbuzz v4.3.0 allows attackers to cause a Denial of Service (DoS) via unspecified v


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