CVE-2026-120252 | CVSS: 5.5 | 严重级别: MEDIUM
imagecodecs 2023.1.23 through 2026.10.10 contains a stack-based buffer overflow vulnerability in the lossless JPEG Define Huffman Table parser in decode_jpegsof3(). Attackers can supply a crafted lossless JPEG whose DHT symbol counts wrap an 8-bit sum, overflowing the 32-entry HufVal and HufSz stack arrays and crashing the calling process.
参考链接:
• https://github.com/cgohlke/imagecodecs
• https://github.com/cgohlke/imagecodecs/blob/v2026.10.10/3rdparty/jpegsof3/jpegso
• https://github.com/cgohlke/imagecodecs/issues/157
📌 数据来源: NVD 官方
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