php: NULL Pointer Dereference in WDDX Packet Deserialization with PDORow
Published Jan 4, 2017
7.5
HIGHCVSS 3.0
EPSS 6.84%
Description
ext/wddx/wddx.c in PHP before 5.6.28 and 7.x before 7.0.13 allows remote attackers to cause a denial of service (NULL pointer dereference) via crafted serialized data in a wddxPacket XML document, as demonstrated by a PDORow string.
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 Software Collections for Red Hat Enterprise Linux 6
rh-php70-php-0:7.0.27-1.el6
Fixed · RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
rh-php70-php-0:7.0.27-1.el6
Fixed · RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux 7
rh-php70-php-0:7.0.27-1.el7
Fixed · RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS
rh-php70-php-0:7.0.27-1.el7
Fixed · RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS
rh-php70-php-0:7.0.27-1.el7
Fixed · RHSA-2018:1296
Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS
rh-php70-php-0:7.0.27-1.el7
Fixed · RHSA-2018:1296
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 OpenShift Enterprise 2
php
Will not fix
Red Hat Software Collections
rh-php56-php
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux 6 | rh-php70-php-0:7.0.27-1.el6 | Fixed | RHSA-2018:1296 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS | rh-php70-php-0:7.0.27-1.el6 | Fixed | RHSA-2018:1296 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | rh-php70-php-0:7.0.27-1.el7 | Fixed | RHSA-2018:1296 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS | rh-php70-php-0:7.0.27-1.el7 | Fixed | RHSA-2018:1296 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS | rh-php70-php-0:7.0.27-1.el7 | Fixed | RHSA-2018:1296 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS | rh-php70-php-0:7.0.27-1.el7 | Fixed | RHSA-2018:1296 |
| 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 OpenShift Enterprise 2 | 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:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
AV:N/AC:L/Au:N/C:N/I:N/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 (25 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.84% (0.06845) | 93.83th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.79% (0.06789) | 93.14th | v5 (v2026.06.15) |
| May 31, 2026 | 11.24% (0.11241) | 93.64th | v4 (v2025.03.14) |
| May 28, 2026 | 14.49% (0.14487) | 94.54th | v4 (v2025.03.14) |
| Dec 28, 2025 | 11.58% (0.11579) | 93.41th | v4 (v2025.03.14) |
| Dec 27, 2025 | 6.47% (0.06474) | 90.80th | v4 (v2025.03.14) |
| Oct 28, 2025 | 11.58% (0.11579) | 93.32th | v4 (v2025.03.14) |
| Oct 27, 2025 | 6.47% (0.06474) | 90.68th | v4 (v2025.03.14) |
| Oct 1, 2025 | 11.58% (0.11579) | 93.41th | v4 (v2025.03.14) |
| Jul 30, 2025 | 6.47% (0.06474) | 90.69th | v4 (v2025.03.14) |
| Jun 21, 2025 | 11.58% (0.11579) | 93.29th | v4 (v2025.03.14) |
| May 30, 2025 | 5.79% (0.05793) | 90.02th | v4 (v2025.03.14) |
| Apr 12, 2025 | 4.40% (0.04395) | 87.99th | v4 (v2025.03.14) |
| Mar 30, 2025 | 10.70% (0.10702) | 92.64th | v4 (v2025.03.14) |
| Mar 29, 2025 | 14.59% (0.14592) | 90.81th | v4 (v2025.03.14) |
| Mar 17, 2025 | 10.70% (0.10702) | 92.77th | v4 (v2025.03.14) |
| Dec 17, 2024 | 7.82% (0.07818) | 94.20th | v3 (v2023.03.01) |
| Apr 6, 2024 | 6.11% (0.06107) | 93.39th | v3 (v2023.03.01) |
| Jan 17, 2024 | 4.41% (0.04405) | 91.55th | v3 (v2023.03.01) |
| Dec 8, 2023 | 3.63% (0.03632) | 90.67th | v3 (v2023.03.01) |
| Oct 26, 2023 | 3.42% (0.03419) | 90.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.07% (0.03066) | 89.46th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
References (14)
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00142.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2017-01/msg00034.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2017-01/msg00054.html vendor-advisoryx_refsource_SUSE
- http://www.openwall.com/lists/oss-security/2016/12/12/2 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/94845 vdb-entryx_refsource_BID
- https://access.redhat.com/errata/RHSA-2018:1296 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2016-9934 Vendor Advisory
- https://bugs.php.net/bug.php?id=73331 x_refsource_CONFIRMVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1404726 Issue Tracking
- https://github.com/php/php-src/commit/6045de69c7dedcba3eadf7c4bba424b19c81d00d x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-9934
- https://www.cve.org/CVERecord?id=CVE-2016-9934
Change history (0)
No recorded changes yet.