Ubuntu 5672-1: GMP vulnerability | LinuxSecurity.com
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Ubuntu Security Notice USN-5672-1
October 12, 2022

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

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM

Summary:

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

Software Description:
- 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.

Update instructions:

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

Ubuntu 20.04 LTS:
libgmp-dev 2:6.2.0+dfsg-4ubuntu0.1
libgmp10 2:6.2.0+dfsg-4ubuntu0.1
libgmpxx4ldbl 2:6.2.0+dfsg-4ubuntu0.1

Ubuntu 18.04 LTS:
libgmp-dev 2:6.1.2+dfsg-2ubuntu0.1
libgmp10 2:6.1.2+dfsg-2ubuntu0.1
libgmpxx4ldbl 2:6.1.2+dfsg-2ubuntu0.1

Ubuntu 16.04 ESM:
libgmp-dev 2:6.1.0+dfsg-2ubuntu0.1~esm1
libgmp10 2:6.1.0+dfsg-2ubuntu0.1~esm1
libgmpxx4ldbl 2:6.1.0+dfsg-2ubuntu0.1~esm1

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

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

Package Information:
https://launchpad.net/ubuntu/+source/gmp/2:6.2.0+dfsg-4ubuntu0.1
https://launchpad.net/ubuntu/+source/gmp/2:6.1.2+dfsg-2ubuntu0.1

Ubuntu 5672-1: GMP vulnerability

October 12, 2022

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 ESM Summary: GMP could be made to crash if it received specially crafted input. Software Description: - 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.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: libgmp-dev 2:6.2.0+dfsg-4ubuntu0.1 libgmp10 2:6.2.0+dfsg-4ubuntu0.1 libgmpxx4ldbl 2:6.2.0+dfsg-4ubuntu0.1 Ubuntu 18.04 LTS: libgmp-dev 2:6.1.2+dfsg-2ubuntu0.1 libgmp10 2:6.1.2+dfsg-2ubuntu0.1 libgmpxx4ldbl 2:6.1.2+dfsg-2ubuntu0.1 Ubuntu 16.04 ESM: libgmp-dev 2:6.1.0+dfsg-2ubuntu0.1~esm1 libgmp10 2:6.1.0+dfsg-2ubuntu0.1~esm1 libgmpxx4ldbl 2:6.1.0+dfsg-2ubuntu0.1~esm1 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5672-1

CVE-2021-43618

Severity
Ubuntu Security Notice USN-5672-1

Package Information

https://launchpad.net/ubuntu/+source/gmp/2:6.2.0+dfsg-4ubuntu0.1 https://launchpad.net/ubuntu/+source/gmp/2:6.1.2+dfsg-2ubuntu0.1

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