High severity8.6NVD Advisory· Published Aug 7, 2016· Updated Jun 17, 2026

CVE-2016-5095

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

PHP/PHP32 versions
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*+ 31 more
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*range: <=5.5.35
- cpe:2.3:a:php:php:5.6.0:alpha1:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:alpha2:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:alpha3:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.11:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.12:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.13:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.14:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.15:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.16:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.17:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.18:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.19:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.20:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.21:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:*
- (no CPE)range: <5.5.36, <5.6.22
osv-coords19 versions
pkg:rpm/suse/imap&distro=SUSE%20Linux%20Enterprise%20Desktop%2012 pkg:rpm/suse/imap&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/imap&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2012 pkg:rpm/suse/imap&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012 pkg:rpm/suse/imap&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1 pkg:rpm/suse/imap&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012 pkg:rpm/suse/imap&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP1 pkg:rpm/suse/php53&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSS pkg:rpm/suse/php53&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/php53&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/php53&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/php53&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/php53&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4 pkg:rpm/suse/php53&distro=SUSE%20Manager%202.1 pkg:rpm/suse/php53&distro=SUSE%20Manager%20Proxy%202.1 pkg:rpm/suse/php53&distro=SUSE%20OpenStack%20Cloud%205 pkg:rpm/suse/php5&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2012 pkg:rpm/suse/php5&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012 pkg:rpm/suse/php5&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1
< 2007e_suse-19.1+ 18 more
- (no CPE)range: < 2007e_suse-19.1
- (no CPE)range: < 2007e_suse-19.1
- (no CPE)range: < 2007e_suse-19.1
- (no CPE)range: < 2007e_suse-19.1
- (no CPE)range: < 2007e_suse-19.1
- (no CPE)range: < 2007e_suse-19.1
- (no CPE)range: < 2007e_suse-19.1
- (no CPE)range: < 5.3.17-47.1
- (no CPE)range: < 5.3.17-71.1
- (no CPE)range: < 5.3.17-71.1
- (no CPE)range: < 5.3.17-71.1
- (no CPE)range: < 5.3.17-71.1
- (no CPE)range: < 5.3.17-71.1
- (no CPE)range: < 5.3.17-71.1
- (no CPE)range: < 5.3.17-71.1
- (no CPE)range: < 5.3.17-71.1
- (no CPE)range: < 5.5.14-64.5
- (no CPE)range: < 5.5.14-64.5
- (no CPE)range: < 5.5.14-64.5

Patches

Vulnerability mechanics

References

php.net/ChangeLog-5.phpnvdRelease Notes
www.openwall.com/lists/oss-security/2016/05/26/3nvdRelease Notes
www.debian.org/security/2016/dsa-3602nvd
www.securityfocus.com/bid/92144nvd
bugs.php.net/bug.phpnvd
gist.github.com/8ef775c117d84ff15185953990a28576nvd

News mentions

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cvss	0.559
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000