CVE-2026-113680mediumCWE-476

CVE-2026-113680: medium-severity vulnerability in harfbuzz

HarfBuzz 8.0.0 through 14.6.0 WebAssembly Shaper NULL Pointer Dereference DoS

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.8epss 0.2%
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:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
harfbuzz · harfbuzz
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In the same product, most dangerous first.

CVE-2024-56732CRITICALHarfBuzz heap-buffer-overflow on hb_cairo_glyphs_from_bufferEPSS 0.7%CVE-2026-22693MEDIUMNull Pointer Dereference in SubtableUnicodesCache::create leading to DoSEPSS 0.5%CVE-2026-113679HIGHHarfBuzz 8.0.0 through 14.6.0 Out-of-Bounds Write via WebAssembly font_glyph_to_stringEPSS 0.2%