CVE-2025-55188
CVE-2025-55188 is a low-severity vulnerability in 7-zip with a CVSS 3.x base score of 3.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.
Key facts
- Severity: Low (CVSS 3.x base score 3.6)
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-24018
- Weakness: CWE-59
- Affected product: 7-zip
- Published:
- Last modified:
Description
7-Zip before 25.01 does not always properly handle symbolic links during extraction.
Frequently asked questions
- What is CVE-2025-55188?
- 7-Zip before 25.01 does not always properly handle symbolic links during extraction.
- How severe is CVE-2025-55188?
- CVE-2025-55188 has a CVSS 3.x base score of 3.6, rated low severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2025-55188 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-55188?
- CVE-2025-55188 affects 7-zip. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-55188?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-55188 have an EU (EUVD) identifier?
- Yes. CVE-2025-55188 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24018.
- When was CVE-2025-55188 published?
- CVE-2025-55188 was published on 2025-08-08 and last updated on 2026-06-17.
References
- https://github.com/ip7z/7zip/compare/25.00...25.01
- https://github.com/ip7z/7zip/releases/tag/25.01
- https://github.com/lunbun/CVE-2025-55188/
- https://lunbun.dev/blog/cve-2025-55188/
- https://sourceforge.net/p/sevenzip/discussion/45797/thread/da14cd780b/
- https://www.openwall.com/lists/oss-security/2025/08/09/1
- 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
- https://youtu.be/sWT6M1cfnwM
- http://www.openwall.com/lists/oss-security/2025/08/09/1
- http://www.openwall.com/lists/oss-security/2025/08/10/1
- http://www.openwall.com/lists/oss-security/2025/08/13/1
- http://www.openwall.com/lists/oss-security/2025/10/12/2
- http://www.openwall.com/lists/oss-security/2025/10/16/7
Affected products (1)
- cpe:2.3:a:7-zip:7-zip:*:*:*:*:*:*:*:*
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