A vulnerability, which was classified as critical, was found in FFmpeg up to 5.1.5. This affects the function fill_audiodata of the file /libswresample/swresample.c. The manipulation leads to heap-based buffer overflow. It is possible to initiate the attack remotely. This issue was fixed in version 6.0 by 9903ba28c28ab18dc7b7b6fb8571cc8b5caae1a6 but a backport for 5.1 was forgotten. The exploit has been disclosed to the public and may be used. Upgrading to version 5.1.6 and 6.0 9903ba28c28ab18dc7b7b6fb8571cc8b5caae1a6 is able to address this issue. It is recommended to upgrade the affected component.
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
The product writes data past the end, or before the beginning, of the intended buffer.
| Link | Tags |
|---|---|
| https://vuldb.com/?id.273945 | vdb entry permissions required technical description |
| https://vuldb.com/?ctiid.273945 | signature vdb entry permissions required |
| https://github.com/CookedMelon/ReportCVE/tree/main/FFmpeg/poc5 | exploit |
| https://github.com/CookedMelon/ReportCVE/tree/main/FFmpeg/poc6 | not applicable exploit |
| https://ffmpeg.org/ | product |