php: Use after free in unserialize()
Published Jan 4, 2017
9.8
CRITICALCVSS 3.0
EPSS 5.36%
Description
Use-after-free vulnerability in the CURLFile implementation in ext/curl/curl_file.c in PHP before 5.6.27 and 7.x before 7.0.12 allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data that is mishandled during __wakeup processing.
Affected products
No data.
- ≤ 5.6.26
- 7.0.0
- 7.0.1
- 7.0.2
- 7.0.3
- 7.0.4
- 7.0.5
- 7.0.6
- 7.0.7
- 7.0.8
- 7.0.9
- 7.0.10
- 7.0.11
No data.
Red Hat Enterprise Linux 5
php
Will not fix
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
Red Hat Software Collections
rh-php70-php
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | php | Will not fix | 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 |
| Red Hat Software Collections | rh-php70-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
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/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 1, 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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.36% (0.05363) | 92.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.32% (0.05319) | 91.52th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.64% (0.00641) | 68.16th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.82% (0.02821) | 76.91th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.64% (0.00641) | 68.84th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.13% (0.02128) | 89.65th | v3 (v2023.03.01) |
| Apr 6, 2024 | 2.13% (0.02128) | 89.00th | v3 (v2023.03.01) |
| Dec 8, 2023 | 1.70% (0.01698) | 86.33th | v3 (v2023.03.01) |
| Nov 8, 2023 | 1.60% (0.01596) | 85.90th | v3 (v2023.03.01) |
| Oct 26, 2023 | 1.74% (0.01740) | 86.50th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.56% (0.01557) | 85.12th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
References (12)
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=0e6fe3a4c96be2d3e88389a5776f878021b4c59f x_refsource_CONFIRM
- http://www.debian.org/security/2016/dsa-3698 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2016/11/01/2 mailing-listx_refsource_MLISTThird Party Advisory
- http://www.php.net/ChangeLog-5.php x_refsource_CONFIRMRelease NotesVendor Advisory
- http://www.php.net/ChangeLog-7.php x_refsource_CONFIRMRelease NotesVendor Advisory
- http://www.securityfocus.com/bid/93577 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2016-9137 Vendor Advisory
- https://bugs.php.net/bug.php?id=73147 x_refsource_CONFIRMExploitVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1391000 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-9137
- https://www.cve.org/CVERecord?id=CVE-2016-9137
- https://www.tenable.com/security/tns-2016-19 x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=0e6fe3a4c96be2d3e88389a5776f878021b4c59f | x_refsource_CONFIRM | |
| http://www.debian.org/security/2016/dsa-3698 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.openwall.com/lists/oss-security/2016/11/01/2 | mailing-listx_refsource_MLISTThird Party Advisory | |
| http://www.php.net/ChangeLog-5.php | x_refsource_CONFIRMRelease NotesVendor Advisory | |
| http://www.php.net/ChangeLog-7.php | x_refsource_CONFIRMRelease NotesVendor Advisory | |
| http://www.securityfocus.com/bid/93577 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2016-9137 | Vendor Advisory | |
| https://bugs.php.net/bug.php?id=73147 | x_refsource_CONFIRMExploitVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1391000 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-9137 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-9137 | ||
| https://www.tenable.com/security/tns-2016-19 | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.