{"id":"AZL-109806","summary":"CVE-2026-113679 affecting package harfbuzz 8.3.0-4","details":"HarfBuzz 8.0.0 through 14.6.0 contains an out-of-bounds write vulnerability in the experimental WebAssembly shaper because the font_glyph_to_string import has a wrong WAMR signature. Attackers can supply a crafted font whose wasm module places the output buffer near linear memory's end, writing glyph-name bytes into host memory to crash or corrupt applications.","modified":"2026-10-21T14:17:40.994599901Z","published":"2026-10-20T16:17:12Z","upstream":["CVE-2026-113679"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113679"}],"affected":[{"package":{"name":"harfbuzz","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/harfbuzz"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"8.3.0-4"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-109806.json"}}],"schema_version":"1.9.0"}