CVE-2016-9936
The unserialize implementation in ext/standard/var.c in PHP 7.x before 7.0.14 allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via
02 Description
The unserialize implementation in ext/standard/var.c in PHP 7.x before 7.0.14 allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 4.26% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 90.7% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-01-04 20:00Z9 YR AGO
- Last updated
- 2024-08-06 03:07Z2 YR AGO
- Reserved
- 2016-12-12
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-416Use After FreeVariant
- Data version
- 5.1
- Document digest
- d14a560f466695e48dbc3be16216dbe2ce493a1356751f775e19634015dfd408
05 Affected products
06 References
- www.openwall.com[oss-security] 20161212 CVE assignment for PHP 5.6.28, 5.6.29, 7.0.13, 7.0.14 and 7.1.0http://www.openwall.com/lists/oss-security/2016/12/12/2
- www.php.nethttp://www.php.net/ChangeLog-7.php
- github.comhttps://github.com/php/php-src/commit/b2af4e8868726a040234de113436c6e4f6372d17
- access.redhat.comRHSA-2018:1296https://access.redhat.com/errata/RHSA-2018:1296
- bugs.php.nethttps://bugs.php.net/bug.php?id=72978
- lists.opensuse.orgopenSUSE-SU-2017:0061http://lists.opensuse.org/opensuse-updates/2017-01/msg00034.html
- www.securityfocus.com94849http://www.securityfocus.com/bid/94849
07 Fixed in
Arch Linux
- php Fixed in 7.1.1-0
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- php7.0 Fixed in 7.0.15-0ubuntu0.16.04.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.