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Unrated severityNVD Advisory· Published Dec 29, 2011· Updated Apr 29, 2026

CVE-2011-5021

CVE-2011-5021

Description

PHPIDS before 0.7 does not properly implement Regular Expression Denial of Service (ReDoS) filters, which allows remote attackers to bypass rulesets and add PHP sequences to a file via unspecified vectors.

Affected products

2
  • Phpids/Phpids2 versions
    cpe:2.3:a:phpids:phpids:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:phpids:phpids:*:*:*:*:*:*:*:*range: <=0.6.5
    • cpe:2.3:a:phpids:phpids:0.6.4:*:*:*:*:*:*:*

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

1

News mentions

0

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