php: Use-after-free vulnerability in the spl_ptr_heap_insert function
Published May 16, 2016
9.8
CRITICALCVSS 3.0
EPSS 5.47%
Description
Use-after-free vulnerability in the spl_ptr_heap_insert function in ext/spl/spl_heap.c in PHP before 5.5.27 and 5.6.x before 5.6.11 allows remote attackers to execute arbitrary code by triggering a failed SplMinHeap::compare operation.
Affected products
No data.
Configuration 2
- ≤ 5.5.26
- 5.6.0
- 5.6.1
- 5.6.2
- 5.6.3
- 5.6.4
- 5.6.5
- 5.6.6
- 5.6.7
- 5.6.8
- 5.6.9
- 5.6.10
No data.
Red Hat Enterprise Linux 5
php
Not affected
Red Hat Enterprise Linux 5
php53
Will not fix
Red Hat Enterprise Linux 6
php
Will not fix
Red Hat Enterprise Linux 7
php
Will not fix
Red Hat Software Collections
php54-php
Will not fix
Red Hat Software Collections
php55-php
Will not fix
Red Hat Software Collections
rh-php56-php
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | php | Not affected | n/a |
| Red Hat Enterprise Linux 5 | php53 | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | php | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | php | Will not fix | n/a |
| Red Hat Software Collections | php54-php | Will not fix | n/a |
| Red Hat Software Collections | php55-php | Will not fix | n/a |
| Red Hat Software Collections | rh-php56-php | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 5.47% (0.05466) | 92.51th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.47% (0.05466) | 91.70th | v5 (v2026.06.15) |
| Jan 14, 2026 | 3.29% (0.03291) | 86.84th | v4 (v2025.03.14) |
| Dec 28, 2025 | 5.43% (0.05426) | 89.85th | v4 (v2025.03.14) |
| Dec 27, 2025 | 4.15% (0.04153) | 88.36th | v4 (v2025.03.14) |
| Oct 28, 2025 | 5.43% (0.05426) | 89.69th | v4 (v2025.03.14) |
| Oct 27, 2025 | 4.15% (0.04153) | 88.19th | v4 (v2025.03.14) |
| Oct 1, 2025 | 5.43% (0.05426) | 89.78th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.29% (0.03291) | 86.06th | v4 (v2025.03.14) |
| Mar 29, 2025 | 12.02% (0.12018) | 89.61th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.29% (0.03291) | 86.36th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.93% (0.03930) | 92.34th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.93% (0.03930) | 90.62th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.79% (0.05785) | 90.41th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.79% (0.05785) | 89.45th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.79% (0.05785) | 77.27th | v2 (v2022.01.01) |
References (9)
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=1cbd25ca15383394ffa9ee8601c5de4c0f2f90e1 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00027.html vendor-advisoryx_refsource_SUSE
- http://php.net/ChangeLog-5.php x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2015-4116 Vendor Advisory
- https://bugs.php.net/bug.php?id=69737 x_refsource_CONFIRMExploit
- https://bugzilla.redhat.com/show_bug.cgi?id=1336784 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-4116
- https://www.cve.org/CVERecord?id=CVE-2015-4116
- https://www.htbridge.com/advisory/HTB23262 x_refsource_MISCExploit
| Link | Providers | Tags |
|---|---|---|
| http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=1cbd25ca15383394ffa9ee8601c5de4c0f2f90e1 | x_refsource_CONFIRM | |
| http://lists.opensuse.org/opensuse-updates/2016-06/msg00027.html | vendor-advisoryx_refsource_SUSE | |
| http://php.net/ChangeLog-5.php | x_refsource_CONFIRM | |
| https://access.redhat.com/security/cve/CVE-2015-4116 | Vendor Advisory | |
| https://bugs.php.net/bug.php?id=69737 | x_refsource_CONFIRMExploit | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1336784 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-4116 | ||
| https://www.cve.org/CVERecord?id=CVE-2015-4116 | ||
| https://www.htbridge.com/advisory/HTB23262 | x_refsource_MISCExploit |
Change history (0)
No recorded changes yet.