What’s Vulnerable › Vulnerabilities

CVE-2015-8313

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-20 · updated 2026-06-17
• Weakness: CWE-203

Description

GnuTLS incorrectly validates the first byte of padding in CBC modes

Affected products

• Debian Linux: 7.0, 8.0, 9.0, 10.0
• [UNKNOWN] gnutls: from 2.0.0 through 2.12.24

References

• http://www.debian.org/security/2015/dsa-3408
• http://www.securityfocus.com/archive/1/537012/100/0/threaded
• http://www.securityfocus.com/bid/78327
• https://blog.hboeck.de/archives/877-A-little-POODLE-left-in-GnuTLS-old-versions.html
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2015-8313
• https://bugzilla.suse.com/show_bug.cgi?id=CVE-2015-8313
• https://security-tracker.debian.org/tracker/CVE-2015-8313
• http://www.debian.org/security/2015/dsa-3408
• http://www.securityfocus.com/archive/1/537012/100/0/threaded
• http://www.securityfocus.com/bid/78327
• https://blog.hboeck.de/archives/877-A-little-POODLE-left-in-GnuTLS-old-versions.html
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2015-8313

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