CVE-2017-6362 Use after free in n/a

What is CVE-2017-6362?

CVE-2017-6362 is a high-severity use after free vulnerability in Canonical Ubuntu Linux, published on 7 Sep 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Double free vulnerability in the gdImagePngPtr function in libgd2 before 2.2.5 allows remote attackers to cause a denial of service via vectors related to a palette with no colors.

Weakness: CWE-415

Which versions are affected by CVE-2017-6362?

It affects 4 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Libgd Libgd.

How do I fix CVE-2017-6362?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2017-6362 being exploited?

There is no known exploitation of CVE-2017-6362 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

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

Also known as ALPINE-CVE-2017-6362, DEBIAN-CVE-2017-6362, DLA-1106-1, DSA-3961-1, GHSA-hc3p-jvff-jfw5, MGASA-2017-0351 and 4 more.