php: Use after free in unserialize() via DateInterval::__wakeup()
Published Jan 4, 2017
9.8
CRITICALCVSS 3.0
EPSS 3.86%
Description
PHP through 5.6.27 and 7.x through 7.0.12 mishandles property modification during __wakeup processing, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data, as demonstrated by Exception::__toString with DateInterval::__wakeup.
Affected products
No data.
- ≤ 5.6.27
- 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
- 7.0.12
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 | 3.86% (0.03864) | 89.85th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.68% (0.03682) | 88.22th | v5 (v2026.06.15) |
| May 9, 2026 | 1.03% (0.01033) | 77.49th | v4 (v2025.03.14) |
| Oct 8, 2025 | 4.29% (0.04295) | 88.30th | v4 (v2025.03.14) |
| Jun 21, 2025 | 2.48% (0.02479) | 84.58th | v4 (v2025.03.14) |
| Mar 30, 2025 | 0.79% (0.00788) | 71.61th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.16% (0.03160) | 78.08th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.79% (0.00788) | 72.18th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.72% (0.00718) | 81.23th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.72% (0.00718) | 79.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.72% (0.00718) | 77.53th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
References (7)
- http://www.openwall.com/lists/oss-security/2016/11/01/2 mailing-listx_refsource_MLISTThird Party Advisory
- http://www.securityfocus.com/bid/95268 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2016-9138 Vendor Advisory
- https://bugs.php.net/bug.php?id=73147 x_refsource_CONFIRMVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1391012 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-9138
- https://www.cve.org/CVERecord?id=CVE-2016-9138
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2016/11/01/2 | mailing-listx_refsource_MLISTThird Party Advisory | |
| http://www.securityfocus.com/bid/95268 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2016-9138 | Vendor Advisory | |
| https://bugs.php.net/bug.php?id=73147 | x_refsource_CONFIRMVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1391012 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-9138 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-9138 |
Change history (0)
No recorded changes yet.