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OpenAdvisories
Medium · 6.1 CVE-2026-45384 EUVD-2026-36115

bit7z: Arbitrary File Overwrite via Symlink Attack on Predictable Temp File During Archive Update

Published Jun 10, 2026 · Updated Jun 11, 2026 · Assigned by GitHub_M

Description

bit7z is a cross-platform C++ static library that allows the compression/extraction of archive files. Prior to version 4.0.12, there is an arbitrary file overwrite vulnerability via symlink attack on predictable temp files during archive update. This issue has been patched in version 4.0.12.

Affected products

VendorProductAffectedFixed
rikyoz bit7z < 4.0.12 —

References