{"id":"CVE-2026-113680","revision":"c058c091d5684ad29bfb02369b198059","records":[{"revision":"c058c091d5684ad29bfb02369b198059","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-113680","aliases":[],"title":"HarfBuzz 8.0.0 through 14.6.0 WebAssembly Shaper NULL Pointer Dereference DoS","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.","state":0,"publishedAt":"2026-10-20T15:40:41.101+00:00","modifiedAt":"2026-10-21T15:54:08.462+00:00","affected":[{"ecosystem":"Vendor product","name":"harfbuzz","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"harfbuzz\",\n                    \"product\": \"harfbuzz\",\n                    \"packageURL\": \"pkg:github/harfbuzz/harfbuzz\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"8.0.0\",\n                            \"lessThanOrEqual\": \"14.6.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"repo\": \"https://github.com/harfbuzz/harfbuzz\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":6.8,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5,"severity":"MEDIUM"}],"references":["https://github.com/harfbuzz/harfbuzz/pull/6414","https://github.com/harfbuzz/harfbuzz/commit/a71aa86c2bac114fafb6b47f8da02024ecb44fa6","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://www.vulncheck.com/advisories/harfbuzz-8.0.0-through-14.6.0-webassembly-shaper-null-pointer-dereference-dos"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-113680","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-113680","identifiers":["CVE-2026-113680"]},"retained":false,"historicalAffected":[]}],"coverage":[]}