CVE-2016-5768

Advisory lineage Upstream: 0 Downstream: 8
Modified
Published: 07 Aug 2016, 10:00
Last modified:06 Aug 2024, 01:15

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
v3.0 (nvd)
EPSS Score
20.99% HIGH
21% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

07 Aug 2016, 10:00
Published
Vulnerability first disclosed
06 Aug 2024, 01:15
Last Modified
Vulnerability information updated

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 attackers to execute arbitrary code or cause a denial of service (application crash) by leveraging a callback exception.

CVSS Metrics

  • v3.0•CRITICAL•Score: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 20.99%• Percentile: 96%

Techniques & Countermeasures

  • CWE-415•Double Free

    The product calls free() twice on the same memory address.

Affected Systems

  • Unknown•PHP

    ≤ 5.5.36 | 5.6.0:alpha1 | 5.6.0:alpha2 | 5.6.0:alpha3 | 5.6.0:alpha4 | 5.6.0:alpha5 | 5.6.0:beta1 | 5.6.0:beta2 | 5.6.0:beta3 | 5.6.0:beta4 | 5.6.1 | 5.6.2 | 5.6.3 | 5.6.4 | 5.6.5 | 5.6.6 | 5.6.7 | 5.6.8 | 5.6.9 | 5.6.10 | 5.6.11 | 5.6.12 | 5.6.13 | 5.6.14 | 5.6.15 | 5.6.16 | 5.6.17 | 5.6.18 | 5.6.19 | 5.6.20 | 5.6.21 | 5.6.22 | 7.0.0 | 7.0.1 | 7.0.2 | 7.0.3 | 7.0.4 | 7.0.5 | 7.0.6 | 7.0.7

References (14)