CVE-2016-5094
Published Aug 7, 2016 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
Integer overflow in the php_html_entities function in ext/standard/html.c in PHP before 5.5.36 and 5.6.x before 5.6.22 allows remote attackers to cause a denial of service or possibly have unspecified other impact by triggering a large output string from the htmlspecialchars function.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
Integer overflow in the php_html_entities function in ext/standard/html.c in PHP before 5.5.36 and 5.6.x before 5.6.22 allows remote attackers to cause a denial of service or possibly have unspecified other impact by triggering a large output string from the htmlspecialchars function.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- MEDIUM
- Confidence
- 10%
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- 90857 ↗
- [oss-security] 20160526 Re: Fwd: CVE for PHP 5.5.36 issues ↗
- RHSA-2016:2750 ↗
- DSA-3602 ↗
- Patch commit ↗
- php.net ↗
- bugs.php.net ↗
- h20566.www2.hpe.com ↗
Record history
Published Aug 7, 2016 · Last refreshed Oct 23, 2026