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  4. CVE 2026 113680 harfbuzz 800 through 1460 webassembly shaper null
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Back to active CVEs
Medium · CVSS 6.8CVE-2026-113680

HarfBuzz 8.0.0 through 14.6.0 WebAssembly Shaper NULL Pointer Dereference DoSCVE-2026-113680

Answer in brief

CVE-2026-113680 records a Medium severity (CVSS 6.8) vulnerability in HarfBuzz 8.0.0 through 14.6.0 WebAssembly Shaper NULL Pointer Dereference DoS. The current sources do not mark it as known exploited. The current feed maps harfbuzz/harfbuzz (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 20, 2026Updated Oct 20, 2026Source checked Oct 20, 2026First seen by HOL Oct 20, 2026Material review Oct 20, 2026
Upstream Advisory

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-476
Source
CVE List V5
Source checked
Oct 20, 2026
References
6 linked sources
Open source record

Key facts

Risk
Medium · CVSS 6.8
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 6.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps harfbuzz/harfbuzz (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
harfbuzz/harfbuzzgeneric>=8.0.0 <=14.6.0Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for harfbuzz/harfbuzz.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 20, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 20, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 20, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

HarfBuzz from 8.0.0 through 14.6.0 contains a NULL pointer dereference vulnerability in the experimental WebAssembly shaper host imports buffer_set_contents, face_create, and font_set_coords. Attackers can supply a crafted font whose embedded wasm module passes out-of-range addresses with non-zero lengths, crashing any application that shapes text with the font.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • HarfBuzz 8.0.0 through 14.6.0 Out-of-Bounds Write via WebAssembly font_glyph_to_stringSame harfbuzz/harfbuzz package