CVE-2014-8549
libavcodec/on2avc.c in FFmpeg before 2.4.2 does not constrain the number of channels to at most 2...
libavcodec/on2avc.c in FFmpeg before 2.4.2 does not constrain the number of channels to at most 2, which allows remote attackers to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via crafted On2 data.
Exploit likelihood
What each source reports
NVD Score used
libavcodec/on2avc.c in FFmpeg before 2.4.2 does not constrain the number of channels to at most 2, which allows remote attackers to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via crafted On2 data.
- Record
CVE-2014-8549- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-189
- Updated
- 2026-11-02
CVE List No score
libavcodec/on2avc.c in FFmpeg before 2.4.2 does not constrain the number of channels to at most 2, which allows remote attackers to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via crafted On2 data.
- Record
CVE-2014-8549- Updated
- 2026-11-02
EUVDEUVD-2014-8386 No score
libavcodec/on2avc.c in FFmpeg before 2.4.2 does not constrain the number of channels to at most 2, which allows remote attackers to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via crafted On2 data.
- Record
EUVD-2014-8386- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rvxr-4pm2-jpmx No score
libavcodec/on2avc.c in FFmpeg before 2.4.2 does not constrain the number of channels to at most 2...
libavcodec/on2avc.c in FFmpeg before 2.4.2 does not constrain the number of channels to at most 2, which allows remote attackers to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via crafted On2 data.
- Record
GHSA-rvxr-4pm2-jpmx- Updated
- 2026-11-02
OSV No score
libavcodec/on2avc.c in FFmpeg before 2.4.2 does not constrain the number of channels to at most 2, which allows remote attackers to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via crafted On2 data.
- Record
CVE-2014-8549- Updated
- 2026-11-02
OSVDEBIAN-CVE-2014-8549 No score
libavcodec/on2avc.c in FFmpeg before 2.4.2 does not constrain the number of channels to at most 2, which allows remote attackers to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via crafted On2 data.
- Record
DEBIAN-CVE-2014-8549- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2014-8549 is a high vulnerability (CVSS 7.5) in Ffmpeg, published November 5, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.40%, the 84th percentile. Fixed in ffmpeg 7:2.4.3-1.
References
ffmpeg.org/security.html
security.gentoo.org/glsa/201603-06
git.videolan.org?p=ffmpeg.git%3Ba=commit%3Bh=550f3e9df3410b3dd975e590042c0d83e20a8da3
nvd.nist.gov/vuln/detail/CVE-2014-8549
github.com/advisories/GHSA-rvxr-4pm2-jpmx
security-tracker.debian.org/tracker/CVE-2014-8549