CVE-2026-5745

A flaw was found in libarchive. A NULL pointer dereference vulnerability exists in the ACL parsing logic, specifically within the archiveaclfromtextnl function. When processing a malformed ACL string such as a bare "d" or "default" tag without subsequent fields, the function fails to perform...

CVE-2026-5745 Libarchive: a null pointer dereference vulnerability exists in the acl parser of libarchive

A flaw was found in libarchive. A NULL pointer dereference vulnerability exists in the ACL parsing logic, specifically within the archiveaclfromtextnl function. When processing a malformed ACL string such as a bare "d" or "default" tag without subsequent fields, the function fails to perform...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference via the archiveaclfromtextnl function. An attacker can cause applications to crash by supplying a specially crafted archive containing a malformed ACL string. Remediation Upgrade libarchive to version 3.8.9 or...