CVE-2025-59730— Heap-buffer-overflow write in FFmpeg SANM decoding due to lack of bounds-checking in old_codec48
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I. Basic Information for CVE-2025-59730
Vulnerability Information
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Vulnerability Title
Heap-buffer-overflow write in FFmpeg SANM decoding due to lack of bounds-checking in old_codec48
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
FFmpeg 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FFmpeg是FFmpeg团队的一套可录制、转换以及流化音视频的完整解决方案。 FFmpeg 8.0之前版本存在安全漏洞，该漏洞源于解码帧时未检查解码数据是否超出分配缓冲区，可能导致堆缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-59730
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Same Patch Batch · FFmpeg · 2025-10-06 · 7 CVEs total
| CVE-2025-59733 | Heap-buffer-overflow write in FFmpeg EXR dwa_uncompress | |
| CVE-2025-59734 | Heap-buffer-overflow write in FFmpeg SANM process_ftch | |
| CVE-2025-59728 | Heap-buffer-overflow write in FFmpeg MDASH resolve_content_path | |
| CVE-2025-59731 | Heap-buffer-overflow write in FFmpeg EXR dwa_uncompress | |
| CVE-2025-59732 | Heap-buffer-overflow write in FFmpeg EXR dwa_uncompress | |
| CVE-2025-59729 | Heap-buffer-overflow read in FFmpeg DHAV get_duration |
IV. Related Vulnerabilities
Same product: FFmpeg
- CVE-2026-40962
FFmpeg 安全漏洞 - CVE-2025-59734
Heap-buffer-overflow write in FFmpeg SANM process_ftch - CVE-2025-59733
Heap-buffer-overflow write in FFmpeg EXR dwa_uncompress - CVE-2025-59732
Heap-buffer-overflow write in FFmpeg EXR dwa_uncompress - CVE-2025-59731
Heap-buffer-overflow write in FFmpeg EXR dwa_uncompress
Same vendor: FFmpeg
- CVE-2026-40962
FFmpeg 安全漏洞 - CVE-2025-59734
Heap-buffer-overflow write in FFmpeg SANM process_ftch - CVE-2025-59733
Heap-buffer-overflow write in FFmpeg EXR dwa_uncompress - CVE-2025-59732
Heap-buffer-overflow write in FFmpeg EXR dwa_uncompress - CVE-2025-59731
Heap-buffer-overflow write in FFmpeg EXR dwa_uncompress
V. Comments for CVE-2025-59730
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