CyberRota Analysis
AI-GeneratedFFmpeg versions 7.0 through 8.1.2 are vulnerable to a heap out-of-bounds write in the vf_quirc filter, which can be exploited by attackers through specially crafted PGS/SUP subtitle files that have mismatched frame dimensions. This vulnerability can lead to heap memory corruption, process crashes, and potentially allow for arbitrary code execution. Organizations using affected FFmpeg versions, particularly those handling subtitle processing, should prioritize patching this vulnerability to mitigate risks.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
FFmpeg 7.0 through 8.1.2, fixed in commit 4da9812, contains a heap out-of-bounds write vulnerability in the vf_quirc filter that allows an attacker to corrupt heap memory by supplying a crafted PGS/SUP subtitle file with mismatched frame dimensions. Attackers can provide a subtitle file whose second presentation has larger dimensions than its first, causing av_image_copy_plane() to copy data exceeding the initial allocation size into the undersized libquirc grayscale image buffer, resulting in heap corruption and process crash with potential for code execution.
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