CVE-2012-0867 Security feature bypass in n/a

What is CVE-2012-0867?

CVE-2012-0867 is a medium-severity vulnerability in Debian Debian Linux, published on 18 Jul 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

PostgreSQL 8.4.x before 8.4.11, 9.0.x before 9.0.7, and 9.1.x before 9.1.3 truncates the common name to only 32 characters when verifying SSL certificates, which allows remote attackers to spoof connections when the host name is exactly 32 characters.

Weakness: CWE-295, CWE-20

Which versions are affected by CVE-2012-0867?

It affects 11 products.

Products include Debian Debian Linux, Opensuse Project Opensuse, Postgresql Postgresql, Redhat Desktop Workstation, Redhat Enterprise Linux, Redhat Enterprise Linux Desktop and 5 more.

How do I fix CVE-2012-0867?

Upgrade to a fixed version.

Is CVE-2012-0867 being exploited?

There is no known exploitation of CVE-2012-0867 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-r7m2-9mgg-wfjc.