Zchunk vulnerabilities

Products

• Zchunk 2

Newest

• microsoft zchunk zchunk before 1.5.5 Heap Out-of-Bounds Read via read_preface() CVE-2026-117556 Fix available 5.3 MediumOctober 27, 2026
• zchunk zchunk before 1.3.2 has multiple integer overflows via malformed zchunk files to lib/comp/comp.c,... CVE-2023-46228 Fix available 7.8 HighOctober 19, 2023