CVE-2026-45384

MEDIUM EPSS 2.6%

Published Jun 10, 20263w ago · Modified Jun 17, 20262w ago

6.1 CVSS 3.1

Medium

Published Jun 10, 2026 3w ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

6.1

Exploitability

1.8

Impact

4.2

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

Attack Vector Local

Attack Complexity Low

Privileges Required Low

User Interaction None

Scope Unchanged

Confidentiality None

Integrity High

Availability Low

Threat Intelligence

EPSS Exploit Probability

2.6% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 2

CWE-377

CWE-59

References 2

github.com https://github.com/rikyoz/bit7z/releases/tag/v4.0.12
github.com https://github.com/rikyoz/bit7z/security/advisories/GHSA-wjch-42rm-q53h

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.