1. Ubuntu Security Notices
  2. USN-4218-1

USN-4218-1: GNU C Library vulnerability

Publication date

10 December 2019

Overview

GNU C Library could be made to execute arbitrary code or cause a crash if it received a specially crafted input.

Releases

Packages

Details

Jakub Wilk discovered that GNU C Library incorrectly handled certain memory alignments.
An attacker could possibly use this issue to execute arbitrary code or cause
a crash.

Jakub Wilk discovered that GNU C Library incorrectly handled certain memory alignments.
An attacker could possibly use this issue to execute arbitrary code or cause
a crash.

Update instructions

After a standard system update you need to reboot your computer to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
14.04 trusty libc6 –  2.19-0ubuntu6.15+esm1
12.04 precise libc6 –  2.15-0ubuntu10.22

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References

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