CVE-2013-7020 Memory corruption in n/a

What is CVE-2013-7020?

CVE-2013-7020 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 9 Dec 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The read_header function in libavcodec/ffv1dec.c in FFmpeg before 2.1 does not properly enforce certain bit-count and colorspace constraints, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted FFV1 data.

Weakness: CWE-119

Which versions are affected by CVE-2013-7020?

It affects 2 products.

Products include Debian Debian Linux, Ffmpeg Ffmpeg.

How do I fix CVE-2013-7020?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2013-7020 being exploited?

There is no known exploitation of CVE-2013-7020 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 DEBIAN-CVE-2013-7020, DSA-3027-1, GHSA-8x2p-j6hr-m6g5.