CVE-2016-5768
Double free vulnerability in the _php_mb_regex_ereg_replace_exec function in php_mbregex.c in the mbstring extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allows remote
02 Description
Double free vulnerability in the _php_mb_regex_ereg_replace_exec function in php_mbregex.c in the mbstring extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allows remote
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
- 9.63% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 95.2% 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
- Low. 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
- 2016-08-07 10:00Z10 YR AGO
- Last updated
- 2024-08-06 01:15Z2 YR AGO
- Reserved
- 2016-06-23
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 27a0d7cf9efb06f5aafce8413e542e1aa1c56aff3806a5b64ffb7f80def8c5dc
05 Affected products
06 References
- lists.apple.comAPPLE-SA-2016-09-20http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
- lists.opensuse.orgopenSUSE-SU-2016:1761http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html
- lists.opensuse.orgopenSUSE-SU-2016:1922http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html
- rhn.redhat.comRHSA-2016:2750http://rhn.redhat.com/errata/RHSA-2016-2750.html
- rhn.redhat.comRHSA-2016:2598http://rhn.redhat.com/errata/RHSA-2016-2598.html
- php.nethttp://php.net/ChangeLog-5.php
- bugs.php.nethttps://bugs.php.net/bug.php?id=72402
- github.comhttp://github.com/php/php-src/commit/5b597a2e5b28e2d5a52fc1be13f425f08f47cb62?w=1
- www.openwall.com[oss-security] 20160623 Re: CVE for PHP 5.5.37 issueshttp://www.openwall.com/lists/oss-security/2016/06/23/4
- www.debian.orgDSA-3618http://www.debian.org/security/2016/dsa-3618
- php.nethttp://php.net/ChangeLog-7.php
- h20566.www2.hpe.comhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- support.apple.comhttps://support.apple.com/HT207170
- www.securityfocus.com91396http://www.securityfocus.com/bid/91396
07 Fixed in
Ubuntu 14.04 LTS
- php5 Fixed in 5.5.9+dfsg-1ubuntu4.19
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- php7.0 Fixed in 7.0.8-0ubuntu0.16.04.1
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.