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CVE-2015-4116

32
FAUCET Score

CVE-2015-4116 is a critical use-after-free vulnerability in PHP versions before 5.5.27 and 5.6.x before 5.6.11, specifically within the spl_ptr_heap_insert function, affecting products like openSUSE and PHP itself. With a CVSS score of 9.8, it allows remote attackers to execute arbitrary code with low attack complexity and no user interaction required, leading to high confidentiality, integrity, and availability impacts. While there is no evidence of active exploitation or publicly available exploit code in Metasploit or ExploitDB, the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness.

Impacted Technologies

VendorProductVersion(s)CPE
42.1CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
<= 5.5.26CPE matchmatch criteria
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
5.6.0CPE matchmatch criteria
cpe:2.3:a:php:php:5.6.0:*:*:*:*:*:*:*
5.6.1CPE matchmatch criteria
cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:*
5.6.2CPE matchmatch criteria
cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
5.47%
Probability of exploitation in next 30 days
EPSS Percentile
91.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0547 is in the 86th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (6)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: php53
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: php
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: php
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: php54-php
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: php55-php
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-php56-php

Vendor Advisories (1)

redhatCVE-2015-4116Low

php: Use-after-free vulnerability in the spl_ptr_heap_insert function

Jun 10, 2015

References

git.php.net
lists.opensuse.org / opensuse-updates/2016-06/msg00027.html
php.net / ChangeLog-5.php
bugs.php.net / bug.php
Exploit
htbridge.com / advisory/HTB23262
Exploit