php: Invalid read when wddx decodes empty boolean element
Published Jan 4, 2017
9.8
CRITICALCVSS 3.0
EPSS 7.03%
Description
The php_wddx_push_element function in ext/wddx/wddx.c in PHP before 5.6.29 and 7.x before 7.0.14 allows remote attackers to cause a denial of service (out-of-bounds read and memory corruption) or possibly have unspecified other impact via an empty boolean element in a wddxPacket XML document.
Affected products
No data.
- ≤ 5.6.28
- 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
- 7.0.13
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:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L
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 (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.03% (0.07031) | 93.99th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.97% (0.06974) | 93.29th | v5 (v2026.06.15) |
| May 28, 2026 | 5.64% (0.05644) | 90.47th | v4 (v2025.03.14) |
| Dec 28, 2025 | 4.39% (0.04393) | 88.62th | v4 (v2025.03.14) |
| Dec 27, 2025 | 2.32% (0.02323) | 84.43th | v4 (v2025.03.14) |
| Oct 28, 2025 | 4.39% (0.04393) | 88.47th | v4 (v2025.03.14) |
| Oct 27, 2025 | 2.32% (0.02323) | 84.28th | v4 (v2025.03.14) |
| Oct 1, 2025 | 4.39% (0.04393) | 88.57th | v4 (v2025.03.14) |
| Jul 30, 2025 | 2.32% (0.02323) | 84.16th | v4 (v2025.03.14) |
| Jun 21, 2025 | 4.39% (0.04393) | 88.48th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.36% (0.02363) | 83.49th | v4 (v2025.03.14) |
| Mar 29, 2025 | 10.74% (0.10741) | 88.83th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.36% (0.02363) | 83.83th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.93% (0.02932) | 91.19th | v3 (v2023.03.01) |
| Apr 6, 2024 | 2.93% (0.02932) | 90.63th | v3 (v2023.03.01) |
| Jan 17, 2024 | 2.09% (0.02089) | 87.92th | v3 (v2023.03.01) |
| Dec 8, 2023 | 1.71% (0.01713) | 86.39th | v3 (v2023.03.01) |
| Oct 26, 2023 | 1.61% (0.01609) | 86.01th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.35% (0.01349) | 84.05th | 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 (16)
- 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.debian.org/security/2016/dsa-3737 vendor-advisoryx_refsource_DEBIAN
- 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/94846 vdb-entryx_refsource_BID
- https://access.redhat.com/errata/RHSA-2018:1296 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2016-9935 Vendor Advisory
- https://bugs.php.net/bug.php?id=73631 x_refsource_CONFIRMVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1404731 Issue Tracking
- https://github.com/php/php-src/commit/66fd44209d5ffcb9b3d1bc1b9fd8e35b485040c0 x_refsource_CONFIRMPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-9935
- https://security.gentoo.org/glsa/201702-29 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-9935
Change history (0)
No recorded changes yet.