p PatchFirst

CVE-2026-113679

CVE-2026-113679 · HarfBuzz 8.0.0 through 14.6.0 Out-of-Bounds Write via WebAssembly font_glyph_to_string

This page contains facts from public vulnerability sources. Check the original advisory before updating.

HarfBuzz 8.0.0 through 14.6.0 contains an out-of-bounds write vulnerability in the experimental WebAssembly shaper because the font_glyph_to_string import has a wrong WAMR signature. Attackers can supply a crafted font whose wasm module places the output buffer near linear memory's end, writing glyph-name bytes into host memory to crash or corrupt applications.

CVSS 7.3 · High · EPSS 0.2%

Published
Updated

Stack: system

Affected products and versions

  • harfbuzz

    Versions
    • ≥ 8.0.0, ≤ 14.6.0: Affected (semver)

    No fix published

  • harfbuzz Debian:12

    Versions
    • 10.0.1-1
    • 10.1.0-1
    • 10.1.0-2
    • 10.2.0-1
    • 10.2.0-2
    • 11.4.5-1
    • 11.5.0-1
    • 12.1.0-1
    • 12.2.0-1
    • 12.3.0-1
    • 12.3.0-2
    • 12.3.0-3
    • 12.3.0-4
    • 12.3.1-1
    • 12.3.2-1
    • 12.3.2-2
    • 6.0.0+dfsg-3
    • 8.0.0-1
    • 8.0.0-2
    • 8.0.0-3
    • 8.0.1-1
    • 8.3.0-1
    • 8.3.0-2
    • 9.0.0-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • harfbuzz Debian:13

    Versions
    • 10.2.0-1
    • 10.2.0-1+deb13u1
    • 10.2.0-2
    • 11.4.5-1
    • 11.5.0-1
    • 12.1.0-1
    • 12.2.0-1
    • 12.3.0-1
    • 12.3.0-2
    • 12.3.0-3
    • 12.3.0-4
    • 12.3.1-1
    • 12.3.2-1
    • 12.3.2-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • harfbuzz Debian:14

    Versions
    • 10.2.0-1
    • 10.2.0-2
    • 11.4.5-1
    • 11.5.0-1
    • 12.1.0-1
    • 12.2.0-1
    • 12.3.0-1
    • 12.3.0-2
    • 12.3.0-3
    • 12.3.0-4
    • 12.3.1-1
    • 12.3.2-1
    • 12.3.2-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • harfbuzz Ubuntu:14.04:LTS

    Versions
    • 0.9.19-1
    • 0.9.19-1ubuntu1
    • 0.9.24-2ubuntu1
    • 0.9.24-2ubuntu2
    • 0.9.24-2ubuntu3
    • 0.9.25-1ubuntu1
    • 0.9.26-3
    • 0.9.26-4
    • 0.9.27-1
    • 0.9.27-1ubuntu1
    • 0.9.27-1ubuntu1.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • harfbuzz Ubuntu:Pro:16.04:LTS

    Versions
    • 1.0.1-1build2
    • 1.0.1-1ubuntu0.1
    • 1.0.1-1ubuntu0.1+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • harfbuzz Ubuntu:18.04:LTS

    Versions
    • 1.4.2-1
    • 1.4.2-1build1
    • 1.6.3-1build1
    • 1.7.1-1
    • 1.7.2-1
    • 1.7.2-1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • harfbuzz Ubuntu:20.04:LTS

    Versions
    • 2.6.1-3
    • 2.6.2-1
    • 2.6.4-1
    • 2.6.4-1ubuntu1
    • 2.6.4-1ubuntu2
    • 2.6.4-1ubuntu3
    • 2.6.4-1ubuntu4
    • 2.6.4-1ubuntu4.2
    • 2.6.4-1ubuntu4.3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • harfbuzz Ubuntu:22.04:LTS

    Versions
    • 2.7.4-1ubuntu1
    • 2.7.4-1ubuntu2
    • 2.7.4-1ubuntu3
    • 2.7.4-1ubuntu3.1
    • 2.7.4-1ubuntu3.2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • harfbuzz Ubuntu:24.04:LTS

    Versions
    • 8.0.1-1
    • 8.0.1-1build1
    • 8.3.0-2
    • 8.3.0-2build1
    • 8.3.0-2build2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • harfbuzz Ubuntu:26.10

    Versions
    • 12.3.2-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • harfbuzz Ubuntu:26.04:LTS

    Versions
    • 10.2.0-1
    • 12.1.0-1
    • 12.1.0-1build1
    • 12.2.0-1
    • 12.3.0-3
    • 12.3.0-4
    • 12.3.1-1
    • 12.3.2-1
    • 12.3.2-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

Check your server →