CVE-2026-58102
Crypt::OpenSSL::X509 Heap Out-of-Bounds Read Vulnerability
Halo Surface Signal: 3 out of 5 — possibly public-facing.
A heap out-of-bounds read vulnerability exists in versions of the Crypt::OpenSSL::X509 Perl library before 2.1.3. This flaw, caused by improper handling of long certificate extension Object Identifiers (OIDs), could allow an attacker to expose adjacent memory when parsing specially crafted certificate data. It is uncer