CVE-2015-3427 SQL injection in n/a

What is CVE-2015-3427?

CVE-2015-3427 is a high-severity SQL injection vulnerability in Debian Debian Linux, published on 14 May 2015. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Quassel before 0.12.2 does not properly re-initialize the database session when the PostgreSQL database is restarted, which allows remote attackers to conduct SQL injection attacks via a \ (backslash) in a message. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-4422.

Weakness: CWE-89

Which versions are affected by CVE-2015-3427?

It affects 2 products.

Products include Debian Debian Linux, Quassel-Irc Quassel.

How do I fix CVE-2015-3427?

Upgrade to a fixed version.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2015-3427 being exploited?

There is no known exploitation of CVE-2015-3427 in the wild and no public exploit code.

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• 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 DEBIAN-CVE-2015-3427, DSA-3258-1, GHSA-3g99-qh2f-rgmf, MGASA-2015-0175, UBUNTU-CVE-2015-3427.