CVE-2017-6312 Integer overflow in n/a

What is CVE-2017-6312?

CVE-2017-6312 is a medium-severity vulnerability in Debian Debian Linux, published on 10 Mar 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Integer overflow in io-ico.c in gdk-pixbuf allows context-dependent attackers to cause a denial of service (segmentation fault and application crash) via a crafted image entry offset in an ICO file, which triggers an out-of-bounds read, related to compiler optimizations.

Weakness: CWE-190

Which versions are affected by CVE-2017-6312?

It affects 3 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Gnome Gdk-Pixbuf.

How do I fix CVE-2017-6312?

Apply the vendor's patch.

Is CVE-2017-6312 being exploited?

There is no known exploitation of CVE-2017-6312 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 ALPINE-CVE-2017-6312, DEBIAN-CVE-2017-6312, GHSA-mwm7-gxmj-5gmf, UBUNTU-CVE-2017-6312.