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CVE-2016-5095

UnknownEPSS 2.64%

Last modified

CVE-2016-5095 is a vulnerability of currently unknown severity. Integer overflow in the php_escape_html_entities_ex 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 a FILTER_SANITIZE_FULL_SPECIAL_CHARS filter_var call. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-5094.. EPSS estimates a 2.64% chance of exploitation in the next 30 days.

Description

Integer overflow in the php_escape_html_entities_ex 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 a FILTER_SANITIZE_FULL_SPECIAL_CHARS filter_var call. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-5094.

Metrics

EPSS Probability
2.64%

83.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
PhpPhp<= 5.5.35—
PhpPhp5.6.0Alpha1
PhpPhp5.6.1—
PhpPhp5.6.2—
PhpPhp5.6.3—
PhpPhp5.6.4—
PhpPhp5.6.5—
PhpPhp5.6.6—
PhpPhp5.6.7—
PhpPhp5.6.8—
PhpPhp5.6.9—
PhpPhp5.6.10—
PhpPhp5.6.11—
PhpPhp5.6.12—
PhpPhp5.6.13—
PhpPhp5.6.14—
PhpPhp5.6.15—
PhpPhp5.6.16—
PhpPhp5.6.17—
PhpPhp5.6.18—
PhpPhp5.6.19—
PhpPhp5.6.20—
PhpPhp5.6.21—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-5095?
Integer overflow in the php_escape_html_entities_ex 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 a FILTER_SANITIZE_FULL_SPECIAL_CHARS filter_var call. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-5094.
How severe is CVE-2016-5095?
Severity scoring for CVE-2016-5095 is pending analysis. The EPSS model estimates a 2.64% probability of exploitation in the next 30 days.
How do I fix CVE-2016-5095?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-5095?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST