Web Traffic Processing Vulnerability in Libmodsecurity by ModSecurity
CVE-2025-27110

7.9HIGH

Key Information:

Vendor
Owasp-modsecurity
Status
Modsecurity
Vendor
CVE Published:
25 February 2025

Summary

Libmodsecurity3, part of the ModSecurity v3 project, contains a vulnerability in version 3.0.13 that prevents the decoding of encoded HTML entities when they contain leading zeroes. This issue impacts the processing of web traffic, compromising the library's functionality. Users are advised to upgrade to version 3.0.14 where the issue has been resolved. Current users should be aware that there are no known workarounds available for this vulnerability.

Affected Version(s)

ModSecurity = 3.0.13

References

https://github.com/owasp-modsecurity/ModSecurity/security...
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https://github.com/owasp-modsecurity/ModSecurity/issues/3340
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CVSS V4

Score:
7.9
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.