Medium severity5.5NVD Advisory· Published Nov 1, 2026
CVE-2026-120252
CVE-2026-120252
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: 2023.1.23 - 2026.10.10
Patches
Vulnerability mechanics
References
3News mentions
0No linked articles in our index yet.