CVE-2009-0129: Perl-OpenSSL Libcrypt-OpenSSL-Dsa-Perl

Medium severity, CVSS 5.0. EPSS: 1.1% chance of exploitation in the next 30 days.

libcrypt-openssl-dsa-perl does not properly check the return value from the OpenSSL DSA_verify and DSA_do_verify functions, which might allow remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.

Affected products

• Perl-OpenSSL Libcrypt-OpenSSL-Dsa-Perl: version _nil_ only

Published 2009-01-15. Last modified 2026-06-16.