Out-of-bounds Write Affecting glibc package, versions <2.23-0ubuntu11.2


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.55% (79th percentile)

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  • Snyk IDSNYK-UBUNTU1604-GLIBC-356604
  • published1 Feb 2018
  • disclosed1 Feb 2018

Introduced: 1 Feb 2018

CVE-2018-6485  (opens in a new tab)
CWE-787  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 glibc to version 2.23-0ubuntu11.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and earlier could cause these functions to return a pointer to a heap area that is too small, potentially leading to heap corruption.