CVE-2016-4354: ber-decoder.c in Libksba before 1.3.3 uses an incorrect integer data type, which allows remote attackers to...

Security readout for executives and security teams

CVE-2016-4354 is a Libksba flaw where malformed BER data can crash software using the library. The public record describes denial of service from a buffer overflow, but does not provide CVSS scoring or evidence of active exploitation. Exposure is most likely on systems running Libksba earlier than 1.3.3 and processing untrusted BER data through dependent applications. The source bundle does not enumerate specific downstream products or deployment patterns. Treat this as a timely dependency patching issue where untrusted encoded data can crash affected software. It is not KEV-listed and lacks public severity scoring in the provided sources, so prioritize by exposure rather than emergency response. Mitigation focus: Upgrade Libksba to 1.3.3 or a vendor-patched package.; Apply relevant distribution advisories from Ubuntu, Gentoo, or your OS vendor.; Prioritize externally reachable systems that process untrusted BER data..

Prepared

Jun 13, 2026, 14:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.