CVE-2026-120252 - imagecodecs 2023.1.23 through 2026.10.10 Stack Buffer Overflow via jpegsof3_decode()
CVE ID :CVE-2026-120252
Published : Nov. 1, 2026, 1:17 a.m. | 2 hours, 7 minutes ago
Description :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.
Severity: 6.8 | MEDIUM
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Published : Nov. 1, 2026, 1:17 a.m. | 2 hours, 7 minutes ago
Description :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.
Severity: 6.8 | MEDIUM
Visit the link for more details, such as CVSS details, affected products, timeline, and more...