Integer overflow in Php
CVE-2016-5769
Multiple integer overflows in mcrypt.c in the mcrypt extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allow remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted length value, related to the (1) mcrypt_generic and (2) mdecrypt_generic functions.
Vulnerability class: Integer Overflow
EPSS: 0.084 (94.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Php — versions 5.6.0, 5.6.1, 5.6.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vendor-advisory, x_refsource_APPLE)
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Release Notes)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Release Notes)
- cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_CONFIRM, Broken Link)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2016-5769?
- CVE-2016-5769 is a critical-severity vulnerability in Php, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2016-08-07.
- How severe is CVE-2016-5769?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-5769 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.