CVE-2026-113680

EUVD-2026-105096
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 2.39%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
harfbuzz_projectharfbuzz
8.0.0 ≤
𝑥
≤ 14.6.0
CNA
Common Weakness Enumeration
References
https://github.com/harfbuzz/harfbuzz/blob/14.6.0/src/hb-wasm-api-buffer.hh#L153-L181
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-L258
https://github.com/harfbuzz/harfbuzz/commit/a71aa86c2bac114fafb6b47f8da02024ecb44fa6
https://github.com/harfbuzz/harfbuzz/pull/6414
https://www.vulncheck.com/advisories/harfbuzz-8.0.0-through-14.6.0-webassembly-shaper-null-pointer-dereference-dos