A AegiFlow
MEDIUMCVSS 6.4

CVE-2006-1991

CVE-2006-1991 updated by NVD

Modified
2026-09-20
Sources
nvd

Summary

The substr_compare function in string.c in PHP 5.1.2 allows context-dependent attackers to cause a denial of service (memory access violation) via an out-of-bounds offset argument.

Affected packages

EcosystemPackageAffected versionsFixed versions
PHPphp[object Object]

References

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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