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

CVE-2025-55188

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

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

LOW · CVSS 3.6 EPSS 0.00058
Schedule remediation
  • Public exploit or PoC is available
Sigma rules1 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

1
7-zip< 25.01
⚠

Public Exploits & PoCs

3
pocgithub.com · CVE-2025-55188github.com
poclunbun.dev · cve-2025-55188lunbun.dev
pocyoutu.be · sWT6M1cfnwMyoutu.be
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumCompress Data and Lock With Password for Exfiltration With 7-ZIP
▣

Scoring & Timeline

3.6
LOW · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Aug 2025 · 09:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/ip7z/7zip/compare/25.00...25.01Product
https://github.com/ip7z/7zip/releases/tag/25.01Release Notes
https://sourceforge.net/p/sevenzip/discussion/45797/thread/da14cd780b/Product
https://www.openwall.com/lists/oss-security/2025/08/09/1Mailing ListThird Party Advisory
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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