1. Ubuntu Security Notices
  2. USN-5672-1

USN-5672-1: GMP vulnerability

Publication date

12 October 2022

Overview

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

Releases

Packages

  • gmp - Multiprecision arithmetic library developers tools

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.

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

In general, a standard system update will 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
20.04 focal libgmpxx4ldbl –  2:6.2.0+dfsg-4ubuntu0.1
libgmp-dev –  2:6.2.0+dfsg-4ubuntu0.1
libgmp10 –  2:6.2.0+dfsg-4ubuntu0.1
18.04 bionic libgmpxx4ldbl –  2:6.1.2+dfsg-2ubuntu0.1
libgmp-dev –  2:6.1.2+dfsg-2ubuntu0.1
libgmp10 –  2:6.1.2+dfsg-2ubuntu0.1
16.04 xenial libgmpxx4ldbl –  2:6.1.0+dfsg-2ubuntu0.1~esm1  
libgmp-dev –  2:6.1.0+dfsg-2ubuntu0.1~esm1  
libgmp10 –  2:6.1.0+dfsg-2ubuntu0.1~esm1  

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References

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