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CVE-2026-42268

ModSecurity: Unsigned integer underflow in @verifySSN / @verifyCPF / @verifySVNR operators PUBLISHED

Description (CNA)

ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. From 3.0.0 to before 3.0.15, there is an unhandled exception (std::out_of_range) caused by unsigned integer underflow in libmodsecurity3 if the user (administrator) uses a rule any of @verifySSN, @verifyCPF, or @verifySVNR. This vulnerability is fixed in 3.0.15.

Affected (CNA)

Vendor / productVersions
owasp-modsecurity / ModSecurityaffected >= 3.0.0, < 3.0.15

CWE

CWE-191, CWE-248

References

ADP enrichment

CISA-ADP

No English description supplied.