CVE-2013-4788

MediumCVSS 5.1/10Last modified Jun 16, 2026

Description

The PTR_MANGLE implementation in the GNU C Library (aka glibc or libc6) 2.4, 2.17, and earlier, and Embedded GLIBC (EGLIBC) does not initialize the random value for the pointer guard, which makes it easier for context-dependent attackers to control execution flow by leveraging a buffer-overflow vulnerability in an application and using the known zero value pointer guard to calculate a pointer address.

Metrics

CVSS 2.0 5.1/10AV:N/AC:H/Au:N/C:P/I:P/A:P

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published: Oct 4, 2013
Last modified: Jun 16, 2026
NVD status: Modified

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