Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/harfbuzz/harfbuzz/blob/14.6.0/src/hb-wasm-api-buffer.hh#L153-
- https://github.com/harfbuzz/harfbuzz/blob/14.6.0/src/hb-wasm-api-face.hh#L34-L49
- https://github.com/harfbuzz/harfbuzz/blob/14.6.0/src/hb-wasm-api-font.hh#L241-L2
- https://github.com/harfbuzz/harfbuzz/commit/a71aa86c2bac114fafb6b47f8da02024ecb4
- https://github.com/harfbuzz/harfbuzz/pull/6414
- https://www.vulncheck.com/advisories/harfbuzz-8.0.0-through-14.6.0-webassembly-s
FAQ
What is CVE-2026-113680?
CVE-2026-113680 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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. Attacker...
How severe is CVE-2026-113680?
CVE-2026-113680 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-113680?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.