CVE-2014-9676 Use after free in n/a

What is CVE-2014-9676?

CVE-2014-9676 is a medium-severity use after free vulnerability in Ffmpeg Ffmpeg, published on 28 Feb 2015. 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 seg_write_packet function in libavformat/segment.c in ffmpeg 2.1.4 and earlier does not free the correct memory location, which allows remote attackers to cause a denial of service ("invalid memory handler") and possibly execute arbitrary code via a crafted video that triggers a use after free.

Which versions are affected by CVE-2014-9676?

It affects 1 product.

Products include Ffmpeg Ffmpeg.

How do I fix CVE-2014-9676?

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-2014-9676 being exploited?

There is no known exploitation of CVE-2014-9676 in the wild and no public exploit code.

Other vulnerabilities in Ffmpeg Ffmpeg

• CVE-2013-0864 Memory corruption in n/a Critical 10.0
• CVE-2013-0872 Memory corruption in n/a Critical 10.0
• CVE-2013-0873 Memory corruption in n/a Critical 10.0
• CVE-2013-4265 Null dereference in n/a Critical 10.0
• CVE-2011-3937 Memory corruption in n/a Critical 10.0

All Ffmpeg Ffmpeg vulnerabilities

Sources

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

Also known as DLA-464-1, GHSA-9fmj-mghc-6mmj, UBUNTU-CVE-2014-9676.