CVE-2026-40962
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I. Basic Information for CVE-2026-40962
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample data to libavformat/mov.c.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数溢出或超界折返
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 8.1之前版本存在安全漏洞，该漏洞源于CENC子样本数据处理存在整数溢出，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-2026-40962
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: FFmpeg
- 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 - CVE-2025-59730
Heap-buffer-overflow write in FFmpeg SANM decoding due to la
Same vendor: FFmpeg
- 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 - CVE-2025-59730
Heap-buffer-overflow write in FFmpeg SANM decoding due to la
Same weakness: CWE-190
- CVE-2026-42311
Pillow: OOB Write with Invalid PSD Tile Extents (Integer Ove - CVE-2026-42308
Pillow: Integer overflow when processing fonts - CVE-2026-6664
PgBouncer integer overflow in PgBouncer network packet parsi - CVE-2026-42199
Grid: Integer Overflow in Grid::expand_rows Leads to Safe-AP - CVE-2026-42217
OpenEXR: Shift exponent overflow in `readVariableLengthInteg
V. Comments for CVE-2026-40962
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