CVE-2025-55188

Summary

7-Zip before 25.01 does not always properly handle symbolic links during extraction.

Affected Software

Weaknesses

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

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2025/10/12/2
• http://www.openwall.com/lists/oss-security/2025/10/16/7
• http://www.openwall.com/lists/oss-security/2025/08/09/1
• http://www.openwall.com/lists/oss-security/2025/08/13/1
• http://www.openwall.com/lists/oss-security/2025/08/10/1

References

• https://sourceforge.net/p/sevenzip/discussion/45797/thread/da14cd780b/
• https://github.com/ip7z/7zip/releases/tag/25.01
• https://github.com/ip7z/7zip/compare/25.00…25.01
• https://www.openwall.com/lists/oss-security/2025/08/09/1
• https://youtu.be/sWT6M1cfnwM
• https://lunbun.dev/blog/cve-2025-55188/
• https://github.com/lunbun/CVE-2025-55188/
• https://www.vicarius.io/vsociety/posts/cve-2025-55188-detect-7-zip-vulnerable-version
• https://www.vicarius.io/vsociety/posts/cve-2025-55188-mitigate-7-zip-vulnerability

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