CVE-2026-113680
MEDIUM
CVSS 5.5
Published: 2026-10-20
Modified: 2026-10-21
Tenable Plugin
Checking the public Tenable catalog…
Threat Intelligence Pending
IOCs, MITRE ATT&CK techniques, and attack chain data are being generated. Refresh in a few seconds.
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.
Quick Facts
| CVE ID | CVE-2026-113680 |
| CVSS Score | 5.5 |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| Published | 2026-10-20 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |
References
- https://github.com/harfbuzz/harfbuzz/blob/14.6.0/src/hb-wasm…
- https://github.com/harfbuzz/harfbuzz/blob/14.6.0/src/hb-wasm…
- https://github.com/harfbuzz/harfbuzz/blob/14.6.0/src/hb-wasm…
- https://github.com/harfbuzz/harfbuzz/commit/a71aa86c2bac114f…
- https://github.com/harfbuzz/harfbuzz/pull/6414
- https://www.vulncheck.com/advisories/harfbuzz-8.0.0-through-…