CVE-2026-50721 | libreswan up to 5.3.0 X.509 Certificate RSA_authenticate_hash_signature_raw_rsa Bleichenbacher signature verification

SecurityVulns
Yanac

A vulnerability, which was classified as problematic, was found in libreswan up to 5.3.0. Affected by this issue is the function RSA_authenticate_hash_signature_raw_rsa of the component X.509 Certificate Handler. The manipulation results in improper verification of cryptographic signature.

This vulnerability is cataloged as CVE-2026-50721. The attack may be launched remotely. There is no exploit available.

You should upgrade the affected component.VulDB Recent EntriesRead More