CVE-2025-59731— Heap-buffer-overflow write in FFmpeg EXR dwa_uncompress
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I. Basic Information for CVE-2025-59731
Vulnerability Information
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Vulnerability Title
Heap-buffer-overflow write in FFmpeg EXR dwa_uncompress
Source: NVD (National Vulnerability Database)
Vulnerability Description
When decoding an OpenEXR file that uses DWAA or DWAB compression, the specified raw length of run-length-encoded data is not checked when using it to calculate the output data. We read rle_raw_size from the input file at [0], we decompress and decode into the buffer td->rle_raw_data of size rle_raw_size at [1], and then at [2] we will access entries in this buffer up to (td->xsize - 1) * (td->ysize - 1) + rle_raw_size / 2, which may exceed rle_raw_size. 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
OpenEXR 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenEXR是Academy Software Foundation开源的一种高动态范围图像（HDR）文件格式的开放标准。 OpenEXR 8.0之前版本存在安全漏洞，该漏洞源于未检查DWAA或DWAB压缩中指定的原始长度，可能导致越界写入。
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-2025-59731
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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-2025-59730 | Heap-buffer-overflow write in FFmpeg SANM decoding due to lack of bounds-checking in old_c | |
| 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-2025-59730
Heap-buffer-overflow write in FFmpeg SANM decoding due to la
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-2025-59730
Heap-buffer-overflow write in FFmpeg SANM decoding due to la
V. Comments for CVE-2025-59731
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