CVE-2012-0947 Memory corruption in n/a

What is CVE-2012-0947?

CVE-2012-0947 is a medium-severity memory corruption vulnerability in Libav Libav, published on 20 Aug 2012. 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

Heap-based buffer overflow in the vqa_decode_chunk function in the VQA codec (vqavideo.c) in libavcodec in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.2 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted VQA media file in which the image size is not a multiple of the block size.

Weakness: CWE-119

Which versions are affected by CVE-2012-0947?

It affects 1 product.

Products include Libav Libav.

How do I fix CVE-2012-0947?

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-2012-0947 being exploited?

There is no known exploitation of CVE-2012-0947 in the wild and no public exploit code.

Other vulnerabilities in Libav Libav

• CVE-2014-3984 Multiple unspecified vulnerabilities in Libav before 0.8.12 allow remote attackers to have unknown impact and vectors. Critical 10.0
• CVE-2017-9051 Null dereference in n/a Critical 9.8
• CVE-2014-4609 Integer overflow in n/a High 8.8
• CVE-2019-9719 Memory corruption in n/a High 8.8
• CVE-2018-5766 Memory corruption in n/a High 8.8

All Libav Libav vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2012-0947, GHSA-mrcx-gg4f-hxqf.