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Ubuntu Security Notice USN-6402-2

Ubuntu Security Notice USN-6402-2
Posted Nov 28, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6402-2 - USN-6402-1 fixed vulnerabilities in LibTomMath. This update provides the corresponding updates for Ubuntu 23.10. It was discovered that LibTomMath incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code and cause a denial of service.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2023-36328
SHA-256 | bcc649a7c6a092bbffcc80f89e984363dff2d24bfc8e18c3a8fe08eb8f47e8e8

Ubuntu Security Notice USN-6402-2

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-6402-2
November 27, 2023

libtommath vulnerability
==========================================================================

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

- Ubuntu 23.10

Summary:

LibTomMatch could be made to execute arbitrary code or
denial of service if it received a specially crafted input.

Software Description:
- libtommath: multiple-precision integer library [development files]

Details:

USN-6402-1 fixed vulnerabilities in LibTomMath. This update
provides the corresponding updates for Ubuntu 23.10.

Original advisory details:

It was discovered that LibTomMath incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code
and cause a denial of service (DoS).

Update instructions:

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

Ubuntu 23.10:
libtommath1 1.2.0-6ubuntu0.23.10.1

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

References:
https://ubuntu.com/security/notices/USN-6402-2
https://ubuntu.com/security/notices/USN-6402-1
CVE-2023-36328

Package Information:
https://launchpad.net/ubuntu/+source/libtommath/1.2.0-6ubuntu0.23.10.1

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