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A GMP security update has been released for Ubuntu Linux 14.04 ESM.



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Ubuntu Security Notice USN-5672-2
March 06, 2023

gmp vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 ESM

Summary:

GMP could be made to crash if it received specially crafted
input.

Software Description:
- gmp: Multiprecision arithmetic library developers tools

Details:

USN-5672-1 fixed a vulnerability in GMP. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that GMP did not properly manage memory
on 32-bit platforms when processing a specially crafted
input. An attacker could possibly use this issue to cause
applications using GMP to crash, resulting in a denial of
service.

Update instructions:

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

Ubuntu 14.04 ESM:
libgmp-dev 2:5.1.3+dfsg-1ubuntu1+esm1
libgmp10 2:5.1.3+dfsg-1ubuntu1+esm1
libgmpxx4ldbl 2:5.1.3+dfsg-1ubuntu1+esm1

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-5672-2
https://ubuntu.com/security/notices/USN-5672-1
CVE-2021-43618