open62541 1.5.5 contains a heap-based buffer overflow in the default HistoryRead path when the default history database is used with the memory backend.
{ "binaries": [ { "binary_version": "1.4.11.1-1build1", "binary_name": "libopen62541-1.4" }, { "binary_version": "1.4.11.1-1build1", "binary_name": "libopen62541-1.4-tools" } ] }
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-67860.json"