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OpenSSL Incorrect checks for malformed signatures

🗓️ 07 Jan 2009 13:26:00Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

OpenSSL up to 0.9.8i fails EVP_VerifyFinal, enabling bypass of certificate validation with malformed signatures.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux2.1i386openssl0:0.9.6b-49openssl-0:0.9.6b-49.i386.rpm
Red Hat Enterprise Linux2.1ia64openssl0:0.9.6b-49openssl-0:0.9.6b-49.ia64.rpm
Red Hat Enterprise Linux2.1anyopenssl0:0.9.6b-49.i686openssl-0:0.9.6b-49.i686.noarch.rpm
Red Hat Enterprise Linux3i386openssl0:0.9.7a-33.25openssl-0:0.9.7a-33.25.i386.rpm
Red Hat Enterprise Linux3ia64openssl0:0.9.7a-33.25openssl-0:0.9.7a-33.25.ia64.rpm
Red Hat Enterprise Linux3ppcopenssl0:0.9.7a-33.25openssl-0:0.9.7a-33.25.ppc.rpm
Red Hat Enterprise Linux3ppc64openssl0:0.9.7a-33.25openssl-0:0.9.7a-33.25.ppc64.rpm
Red Hat Enterprise Linux3s390openssl0:0.9.7a-33.25openssl-0:0.9.7a-33.25.s390.rpm
Red Hat Enterprise Linux3s390xopenssl0:0.9.7a-33.25openssl-0:0.9.7a-33.25.s390x.rpm
Red Hat Enterprise Linux3x86_64openssl0:0.9.7a-33.25openssl-0:0.9.7a-33.25.x86_64.rpm
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25 Jun 2026 10:35Current
6.9Medium risk
Vulners AI Score6.9
CVSS 25.8
EPSS0.05146
3