CVE-2026-42443
Analyzed Analyzed - Analysis Complete
BaseFortify

Publication date: 2026-05-12

Last updated on: 2026-05-18

Assigner: GitHub, Inc.

Description
NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, an integer divide-by-zero exists in the UFS/UFS2 filesystem image parser in NanaZip. The vulnerability is triggered when opening a crafted UFS image where the superblock field fs_ipg (inodes per cylinder group) is set to zero. The parser uses this attacker-controlled value as a divisor without validation, causing an immediate hardware trap and process crash. This vulnerability is fixed in 6.0.1698.0.
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Meta Information
Published
2026-05-12
Last Modified
2026-05-18
Generated
2026-06-10
EPSS Evaluated
2026-06-08
NVD
CVE-2026-42443
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
m2team nanazip From 5.0.1252.0 (inc) to 6.0.1698.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-369 The product divides a value by zero.
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