CVE-2015-3622: The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.5 allows remote attackers t...

Security readout for executives and security teams

This is a denial-of-service flaw in GNU Libtasn1 before 4.5. A malformed certificate can make software using the library read outside heap memory and potentially crash. The main business risk is disruption to services that parse untrusted certificates, not confirmed data theft or code execution. Exposure is most likely on Linux systems, appliances, containers, or applications using GNU Libtasn1 before 4.5 to process certificates from untrusted sources. The bundle lists multiple distribution advisories but does not provide complete affected package matrices. Treat as a routine but real availability risk. Patch in normal vulnerability cycles, with faster handling for internet-facing certificate-processing services or products where downtime has business impact. No source in the bundle supports emergency treatment for active exploitation. Mitigation focus: Update GNU Libtasn1 using the relevant vendor advisory package.; Use Libtasn1 4.5 or later where direct upstream versioning applies.; Prioritize internet-facing services that parse client or server certificates..

Prepared

Jun 13, 2026, 22:39 UTC (UTC+00:00)

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