CVE-2026-120251 | CVSS: 5.5 | 严重级别: MEDIUM
imagecodecs 2026.3.6 through 2026.10.10 contains an infinite loop vulnerability in ccitt_fax4_decode_size() that allows attackers to hang the calling process by supplying a crafted CCITT Group 4 stream. Attackers can provide an 8-byte G4 stream lacking EOFB to ccittfax4_decode() or the numcodecs Ccittfax4 codec, consuming full CPU until the process is killed.
参考链接:
• https://github.com/cgohlke/imagecodecs
• https://github.com/cgohlke/imagecodecs/blob/v2026.10.10/3rdparty/ccitt/ccitt.c#L
• https://github.com/cgohlke/imagecodecs/issues/158
📌 数据来源: NVD 官方
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