{"id":"AZL-113822","summary":"CVE-2026-128241 affecting package expat 2.9.0-1","details":"The xmlwf tool in libexpat through 2.10.0 contains a symlink following vulnerability because -d output mode opens files with fopen(\"wb\"), which follows symbolic links. Local attackers with write access to the output directory can plant a symlink at the expected output name to truncate or overwrite files writable by the xmlwf user.","modified":"2026-11-14T14:17:47.853204869Z","published":"2026-11-13T10:18:12Z","upstream":["CVE-2026-128241"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-128241"}],"affected":[{"package":{"name":"expat","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/expat"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.9.0-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-113822.json"}}],"schema_version":"1.9.2"}