| Package | Affected versions | Patched versions |
|---|---|---|
| ffmpeg | = 2.6.4= 2.7.0= 2.7.1= 2.7.2= 2.8.0= 2.8.1= 2.8.2 |
The jpeg2000_read_main_headers function in libavcodec/jpeg2000dec.c in FFmpeg before 2.6.5, 2.7.x before 2.7.3, and 2.8.x through 2.8.2 does not enforce uniqueness of the SIZ marker in a JPEG 2000 image, which allows remote attackers to cause a denial of service (out-of-bounds heap-memory access) or possibly have unspecified other impact via a crafted image with two or more of these markers.
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