CVE catalog
CVE-2016-5768
php5 - security update
- Severity
- Low · CVSS 3.7
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 9.63% · Oct 25, 2026
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 attackers to execute arbitrary code or cause a denial of service (application crash) by leveraging a callback exception.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | php5 | 14.04 | 5.5.3+dfsg-1ubuntu2 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.3+dfsg-1ubuntu3 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.6+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.6+dfsg-1ubuntu2 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.8+dfsg-2ubuntu1 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu1 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu2 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu3 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.1 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.2 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.3 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.4 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.5 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.6 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.7 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.9 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.11 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.12 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.13 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.14 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.16 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.17 | vulnerable |
| Ubuntu | php5 | 14.04 | 5.5.9+dfsg-1ubuntu4.19 | fixed |
| Ubuntu | php7.0 | 16.04 | 7.0.1-5 | vulnerable |
| Ubuntu | php7.0 | 16.04 | 7.0.1-6 | vulnerable |
| Ubuntu | php7.0 | 16.04 | 7.0.2-1 | vulnerable |
| Ubuntu | php7.0 | 16.04 | 7.0.2-3 | vulnerable |
| Ubuntu | php7.0 | 16.04 | 7.0.2-4 | vulnerable |
| Ubuntu | php7.0 | 16.04 | 7.0.2-5 | vulnerable |
| Ubuntu | php7.0 | 16.04 | 7.0.3-2 | vulnerable |
| Ubuntu | php7.0 | 16.04 | 7.0.3-3 | vulnerable |
| Ubuntu | php7.0 | 16.04 | 7.0.3-9ubuntu1 | vulnerable |
| Ubuntu | php7.0 | 16.04 | 7.0.4-5ubuntu1 | vulnerable |
| Ubuntu | php7.0 | 16.04 | 7.0.4-5ubuntu2 | vulnerable |
| Ubuntu | php7.0 | 16.04 | 7.0.4-7ubuntu1 | vulnerable |
| Ubuntu | php7.0 | 16.04 | 7.0.4-7ubuntu2 | vulnerable |
| Ubuntu | php7.0 | 16.04 | 7.0.4-7ubuntu2.1 | vulnerable |
| Ubuntu | php7.0 | 16.04 | 7.0.8-0ubuntu0.16.04.1 | fixed |
| Debian | php5 | 8 | 5.6.11+dfsg-1 | vulnerable |
| Debian | php5 | 8 | 5.6.12+dfsg-0+deb8u1 | vulnerable |
| Debian | php5 | 8 | 5.6.12+dfsg-1 | vulnerable |
| Debian | php5 | 8 | 5.6.13+dfsg-0+deb8u1 | vulnerable |
| Debian | php5 | 8 | 5.6.13+dfsg-1 | vulnerable |
| Debian | php5 | 8 | 5.6.13+dfsg-2 | vulnerable |
| Debian | php5 | 8 | 5.6.14+dfsg-0+deb8u1 | vulnerable |
| Debian | php5 | 8 | 5.6.14+dfsg-1 | vulnerable |
| Debian | php5 | 8 | 5.6.15+dfsg-1 | vulnerable |
| Debian | php5 | 8 | 5.6.16+dfsg-1 | vulnerable |
| Debian | php5 | 8 | 5.6.16+dfsg-2 | vulnerable |
| Debian | php5 | 8 | 5.6.16+dfsg-3 | vulnerable |
| Debian | php5 | 8 | 5.6.16+dfsg-4 | vulnerable |
| Debian | php5 | 8 | 5.6.17+dfsg-0+deb8u1 | vulnerable |
| Debian | php5 | 8 | 5.6.17+dfsg-1 | vulnerable |
| Debian | php5 | 8 | 5.6.17+dfsg-3 | vulnerable |
| Debian | php5 | 8 | 5.6.18+dfsg-1 | vulnerable |
| Debian | php5 | 8 | 5.6.19+dfsg-0+deb8u1 | vulnerable |
| Debian | php5 | 8 | 5.6.19+dfsg-1 | vulnerable |
| Debian | php5 | 8 | 5.6.19+dfsg-2 | vulnerable |
| Debian | php5 | 8 | 5.6.20+dfsg-0+deb8u1 | vulnerable |
| Debian | php5 | 8 | 5.6.20+dfsg-1 | vulnerable |
| Debian | php5 | 8 | 5.6.21+dfsg-1 | vulnerable |
| Debian | php5 | 8 | 5.6.21+dfsg-2 | vulnerable |
| Debian | php5 | 8 | 5.6.22+dfsg-0+deb8u1 | vulnerable |
| Debian | php5 | 8 | 5.6.22+dfsg-1 | vulnerable |
| Debian | php5 | 8 | 5.6.22+dfsg-2 | vulnerable |
| Debian | php5 | 8 | 5.6.7+dfsg-1 | vulnerable |
| Debian | php5 | 8 | 5.6.9+dfsg-0+deb8u1 | vulnerable |
| Debian | php5 | 8 | 5.6.9+dfsg-1 | vulnerable |
| Debian | php5 | 8 | 5.6.23+dfsg-0+deb8u1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Ubuntu | php5 | deb | 14.04 | 5.5.9+dfsg-1ubuntu4.19 | Not reported | UBUNTU-CVE-2016-5768 | Not reported |
| Ubuntu | php7.0 | deb | 16.04 | 7.0.8-0ubuntu0.16.04.1 | Not reported | UBUNTU-CVE-2016-5768 | Not reported |
| Debian | php5 | deb | 8 | 5.6.23+dfsg-0+deb8u1 | Not reported | DSA-3618-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2016_2598.json]
- [https://osv.dev/vulnerability/DSA-3618-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2016-5768]
- [https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-5768.json]
[FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]