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.
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Affected Vendors & Products
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Fixes
Solution
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Workaround
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References
History
Tue, 20 Oct 2026 15:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | HarfBuzz 8.0.0 through 14.6.0 WebAssembly Shaper NULL Pointer Dereference DoS | |
| First Time appeared |
Harfbuzz Project
Harfbuzz Project harfbuzz |
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| Weaknesses | CWE-476 | |
| CPEs | cpe:2.3:a:harfbuzz_project:harfbuzz:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Harfbuzz Project
Harfbuzz Project harfbuzz |
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| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-10-20T15:40:41.101Z
Reserved: 2026-10-20T14:51:02.127Z
Link: CVE-2026-113680
No data.
Status : Received
Published: 2026-10-20T16:17:12.923
Modified: 2026-10-20T16:17:12.923
Link: CVE-2026-113680
No data.
OpenCVE Enrichment
No data.
Weaknesses