CVE-2012-0849

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-08-27 · updated 2026-06-16
Weakness: CWE-189

Description

Integer overflow in the ff_j2k_dwt_init function in libavcodec/j2k_dwt.c in FFmpeg before 0.9.1 allows remote attackers to cause a denial of service (segmentation fault and application crash) via a crafted JPEG2000 image that triggers an incorrect check for a negative value.

Affected products

FFmpeg: through 0.9; 0.3, 0.3.1, 0.3.2, 0.3.3, 0.3.4, 0.4.0 (+36)

References

http://ffmpeg.org/security.html
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=1f99939a6361e2e6d6788494dd7c682b051c6c34
http://www.ffmpeg.org/trac/ffmpeg/ticket/776
http://www.openwall.com/lists/oss-security/2012/02/01/11
http://www.openwall.com/lists/oss-security/2012/02/14/4
https://exchange.xforce.ibmcloud.com/vulnerabilities/78935
http://ffmpeg.org/security.html
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=1f99939a6361e2e6d6788494dd7c682b051c6c34
http://www.ffmpeg.org/trac/ffmpeg/ticket/776
http://www.openwall.com/lists/oss-security/2012/02/01/11
http://www.openwall.com/lists/oss-security/2012/02/14/4
https://exchange.xforce.ibmcloud.com/vulnerabilities/78935

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