CVE-2026-45384

Summary

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 Software

VendorProductVersion RangeStatus
rikyozbit7z< 4.0.12affected

Weaknesses

  • CWE-59: CWE-59: Improper Link Resolution Before File Access ('Link Following')
  • CWE-377: CWE-377: Insecure Temporary File

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: partial

Additional References

References