==========================================================================
Ubuntu Security Notice USN-6856-1
June 27, 2024

fontforge vulnerabilities
==========================================================================

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

- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in FontForge.

Software Description:
- fontforge: Free (libre) font editor for Windows, Mac OS X and GNU+Linux

Details:

It was discovered that FontForge incorrectly handled filenames. If a user or an
automated system were tricked into opening a specially crafted input file, a
remote attacker could possibly use this issue to perform a command injection.
(CVE-2024-25081)

It was discovered that FontForge incorrectly handled archives and compressed
files. If a user or an automated system were tricked into opening a specially
crafted input file, a remote attacker could possibly use this issue to perform
command injection. (CVE-2024-25082)

Update instructions:

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

Ubuntu 23.10
   fontforge                       1:20230101~dfsg-1ubuntu0.1
   python3-fontforge               1:20230101~dfsg-1ubuntu0.1

Ubuntu 22.04 LTS
   fontforge                       1:20201107~dfsg-4+deb11u1build0.22.04.1
   python3-fontforge               1:20201107~dfsg-4+deb11u1build0.22.04.1

Ubuntu 20.04 LTS
   fontforge                       1:20190801~dfsg-4ubuntu0.1
   python3-fontforge               1:20190801~dfsg-4ubuntu0.1

Ubuntu 18.04 LTS
   fontforge                       1:20170731~dfsg-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   python-fontforge                1:20170731~dfsg-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   fontforge                       20120731.b-7.1ubuntu0.1+esm1
                                   Available with Ubuntu Pro
   python-fontforge                20120731.b-7.1ubuntu0.1+esm1
                                   Available with Ubuntu Pro

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

References:
   https://ubuntu.com/security/notices/USN-6856-1
   CVE-2024-25081, CVE-2024-25082

Package Information:
   https://launchpad.net/ubuntu/+source/fontforge/1:20230101~dfsg-1ubuntu0.1
 
https://launchpad.net/ubuntu/+source/fontforge/1:20201107~dfsg-4+deb11u1build0.22.04.1
   https://launchpad.net/ubuntu/+source/fontforge/1:20190801~dfsg-4ubuntu0.1