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An Emacs security update has been released for Ubuntu Linux 16.04 ESM.



USN-6003-1: Emacs vulnerability


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Ubuntu Security Notice USN-6003-1
April 06, 2023

emacs24 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 ESM

Summary:

Emacs could be made to run programs as your login if it received specially crafted input.

Software Description:
- emacs24: GNU Emacs editor

Details:

Xi Lu discovered that Emacs did not properly handle certain
inputs. An attacker could possibly use this issue to execute
arbitrary commands.

Update instructions:

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

Ubuntu 16.04 ESM:
emacs24 24.5+1-6ubuntu1.1+esm3
emacs24-common 24.5+1-6ubuntu1.1+esm3

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

References:
https://ubuntu.com/security/notices/USN-6003-1
CVE-2023-28617