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.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 20 Oct 2026 15:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | HarfBuzz 8.0.0 through 14.6.0 Out-of-Bounds Write via WebAssembly font_glyph_to_string | |
| First Time appeared |
Harfbuzz Project
Harfbuzz Project harfbuzz |
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| Weaknesses | CWE-787 | |
| 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: 2026-10-20T16:21:50.578Z
Reserved: 2026-10-20T14:50:55.487Z
Link: CVE-2026-113679
No data.
Status : Received
Published: 2026-10-20T16:17:12.770
Modified: 2026-10-20T16:17:12.770
Link: CVE-2026-113679
No data.
OpenCVE Enrichment
No data.
Weaknesses