CVE-2015-8778
glibc: Integer overflow in hcreate and hcreate_r
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · April 10, 2015
Updated · November 21, 2025
Description
An integer overflow vulnerability was found in hcreate() and hcreate_r() functions which could result in an out-of-bounds memory access. This could lead to application crash or, potentially, arbitrary code execution.
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
Do not use any applications which call hcreate or hcreate_r with a large size argument.
These functions are used only rarely, and most callers supply a constant argument. Other applications calculate the size argument in such a way that the error condition cannot be triggered.
CVSS / CWE
CVSS 3.0 · 8.1CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 · 5.1AV:N/AC:H/Au:N/C:P/I:P/A:P
CWE-190 · Integer Overflow or Wraparound