CVE-2011-3362

6.8 MEDIUM 3% exploit odds Fix listed

What it is

Integer signedness error in the decode_residual_block function in cavsdec.c in libavcodec in FFmpeg before 0.7.3 and 0.8.x before 0.8.2, and libav through 0.7.1, allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via a crafted Chinese AVS video (aka CAVS) file.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 3.4% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2011-10-02 20:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:33 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 3.4% in the next 30 days (EPSS).
Severity: 6.8 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2011-10-02 20:55 UTC
Last modified: 2026-06-16 23:33 UTC
Exploit probability: 3.4% · EPSS, next 30 days
Weakness: CWE-189
Record status: Modified

Affected

Ffmpeg ≤ 0.7.2
Ffmpeg 0.3
Ffmpeg 0.3.1
Ffmpeg 0.3.2
Ffmpeg 0.3.3
Ffmpeg 0.3.4
Ffmpeg 0.4.0
Ffmpeg 0.4.2

Attack profile CVSS 2.0 · 6.8

Attack vector: Network
Complexity: Medium
Authentication: None
Confidentiality: Partial
Integrity: Partial
Availability: Partial

Raw vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2011-3362.md and follow it. Check whether this project is affected by CVE-2011-3362. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record