CVE-2026-26282: medium-severity vulnerability in M2Team NanaZip
NanaZip has DotNet Single file OOB Heap Read
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.2epss 0.2%
NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, NanaZip has an out-of-bounds heap read in `.NET Single File` bundle header parser due to missing bounds check. Opening a crafted file with NanaZip causes a crash or leaks heap data to the user. Version 6.0.1630.0 patches the issue.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
M2Team · NanaZipRelated CVEs — M2Team NanaZip
In the same product, most dangerous first.
CVE-2026-55780LOWNanaZip: Uncaught exception / unbounded allocation in NanaZip .NET single-file Extract() via unvalidated entry SizeEPSS 0.6%CVE-2026-54616HIGHNanaZip: Heap out-of-bounds read in NanaZip SquashFS LZ4 decompressor via unchecked negative return valueEPSS 0.4%CVE-2026-27114MEDIUMNanaZip has ROMFS Archive Infinite LoopEPSS 0.3%CVE-2026-44215MEDIUMNanaZip: Heap out-of-bounds write in NanaZip UFS directory parserEPSS 0.3%CVE-2026-47223MEDIUMNanaZip: Heap out-of-bounds read in NanaZip AVB hashtree descriptor parser via 32-bit unsigned integer overflowEPSS 0.2%CVE-2026-47224MEDIUMNanaZip: Heap buffer-overflow read in NanaZip LVM metadata CRC checkEPSS 0.2%