CVE-2026-113680

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{"bugzilla": {"description": "harfbuzz: harfbuzz: Denial of Service via crafted font in WebAssembly shaper", "id": "2556290", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2556290"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["A flaw was found in HarfBuzz. This vulnerability allows an attacker to cause a Denial of Service (DoS) by supplying a specially crafted font containing an embedded WebAssembly (Wasm) module. When an application shapes text using the malicious font, the module passes out-of-range memory addresses to host import functions, triggering a NULL pointer dereference and crashing the application."], "name": "CVE-2026-113680", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "harfbuzz", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-10-20T15:40:41Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-113680\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-113680\nhttps://github.com/harfbuzz/harfbuzz/blob/14.6.0/src/hb-wasm-api-buffer.hh#L153-L181\nhttps://github.com/harfbuzz/harfbuzz/blob/14.6.0/src/hb-wasm-api-face.hh#L34-L49\nhttps://github.com/harfbuzz/harfbuzz/blob/14.6.0/src/hb-wasm-api-font.hh#L241-L258\nhttps://github.com/harfbuzz/harfbuzz/commit/a71aa86c2bac114fafb6b47f8da02024ecb44fa6\nhttps://github.com/harfbuzz/harfbuzz/pull/6414\nhttps://www.vulncheck.com/advisories/harfbuzz-8.0.0-through-14.6.0-webassembly-shaper-null-pointer-dereference-dos"], "threat_severity": "Moderate"}

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