Vulnerability DatabaseCVE-2026-45384
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CVE-2026-45384
Published:June 10, 2026
Updated:June 28, 2026
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 Packages
https://github.com/rikyoz/bit7z.git (GITHUB):
Affected version(s) >=v1.0-beta1 <v4.0.12
Fix Suggestion:
Update to version v4.0.12
Related Resources (2)
https://github.com/rikyoz/bit7z/security/advisories/GHSA-wjch-42rm-q53h
https://github.com/rikyoz/bit7z/releases/tag/v4.0.12
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CVSS v4
Base Score:
6.9
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.1
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
LOW
Weakness Type (CWE)
Improper Link Resolution Before File Access ('Link Following')
CWE-59
Insecure Temporary File
CWE-377
EPSS
Base Score:
0.13