CVE-2016-5769
php: Integer Overflows in mcrypt_generic() and mdecrypt_generic() resulting in heap overflows
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · June 23, 2016
Updated · June 27, 2026
Description
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.
Statement
The versions of PHP package shipped with Red Hat Enterprise Linux, do not have support for mcrypt.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 5.6CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS 2.0 · 5.1AV:N/AC:H/Au:N/C:P/I:P/A:P
CWE-190 · Integer Overflow or Wraparound