CVE-2018-6359 Use after free in n/a

What is CVE-2018-6359?

CVE-2018-6359 is a high-severity use after free vulnerability in Debian Debian Linux, published on 27 Jan 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The decompileIF function (util/decompile.c) in libming through 0.4.8 is vulnerable to a use-after-free, which may allow attackers to cause a denial of service or unspecified other impact via a crafted SWF file.

Weakness: CWE-416

Which versions are affected by CVE-2018-6359?

It affects 2 products.

Products include Debian Debian Linux, Libming Libming.

How do I fix CVE-2018-6359?

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-2018-6359 being exploited?

There is no known exploitation of CVE-2018-6359 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-225g-rrj9-x694, UBUNTU-CVE-2018-6359.