{"id":"AZL-89133","summary":"CVE-2026-42496 affecting package perl for versions less than 5.38.2-512","details":"Archive::Tar versions before 3.08 for Perl extract symlinks with attacker controlled targets outside the extraction directory.\n\n_make_special_file() passes the tar header's linkname to symlink() without validating it against absolute paths or .. segments. The secure-extract mode check that guards regular file extraction does not cover the symlink target.\n\nA subsequent open through the extracted name reads or writes the attacker chosen path.","modified":"2026-08-30T05:26:50Z","published":"2026-05-26T02:16:40Z","upstream":["CVE-2026-42496"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42496"}],"affected":[{"package":{"name":"perl","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/perl"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.38.2-512"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-89133.json"}}],"schema_version":"1.9.0"}