CVE-2025-59730 - Heap-buffer-overflow write in FFmpeg SANM decoding due to lack of bounds-checking in old_codec48

CVE-2025-59730 - Heap-buffer-overflow write in FFmpeg SANM decoding due to lack of bounds-checking in old_codec48

https://cvefeed.io/rssfeed/latest.atom / Mon, 10/06/2025 - 14:42
CVE ID : CVE-2025-59730
Published : Oct. 6, 2025, 8:15 a.m. | 3 hours, 59 minutes ago
Description : When decoding a frame for a SANM file (ANIM v0 variant), the decoded data can be larger than the buffer allocated for it. Frames encoded with codec 48 can specify their resolution (width x height). A buffer of appropriate size is allocated depending on the resolution. This codec can encode the frame contents using a run-length encoding algorithm. There are no checks that the decoded frame fits in the allocated buffer, leading to a heap-buffer-overflow. process_frame_obj initializes the buffers based on the frame resolution: We recommend upgrading to version 8.0 or beyond.
Severity: 5.7 | MEDIUM
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