{"id":"AZL-111148","summary":"CVE-2026-118370 affecting package expat 2.8.3-2","details":"libexpat through 2.9.0 contains a signed integer overflow vulnerability in storeAtts() in lib/xmlparse.c that allows attackers to trigger out-of-bounds writes via oversized attribute counts. Attackers can supply a multi-gigabyte document with a start tag carrying over 2^30 attributes to overflow attIndex and nPrefixes, crashing applications or corrupting heap memory.","modified":"2026-10-28T14:18:28.691107310Z","published":"2026-10-28T03:17:13Z","upstream":["CVE-2026-118370"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118370"}],"affected":[{"package":{"name":"expat","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/expat"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.8.3-2"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-111148.json"}}],"schema_version":"1.9.2"}