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==========================================================================
Ubuntu Security Notice USN-7587-1
June 23, 2025

fig2dev vulnerabilities
==========================================================================

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

- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in Fig2dev.

Software Description:
- fig2dev: Tools for creating TeX documents with portable graphics

Details:

Suhwan Song discovered that Fig2dev did not correctly handle certain
memory operations. If a user or automated system were tricked into
opening a specially crafted file, an attacker could possibly use this
issue to cause a denial of service. This issue only affected
Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-21680, CVE-2020-21682,
CVE-2020-21683)

It was discovered that Fig2dev did not limit the size of certain inputs.
If a user or automated system were tricked into opening a specially
crafted file, an attacker could possibly use this issue to cause a
denial of service. (CVE-2025-31162, CVE-2025-31163)

It was discovered that Fig2dev did not correctly handle certain inputs.
If a user or automated system were tricked into opening a specially
crafted file, an attacker could possibly use this issue to cause a
denial of service. This issue only affected Ubuntu 24.04 LTS and
Ubuntu 24.10. (CVE-2025-31164)

Update instructions:

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

Ubuntu 24.10
  fig2dev                         1:3.2.9-4ubuntu0.1

Ubuntu 24.04 LTS
  fig2dev                         1:3.2.9-3ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 22.04 LTS
  fig2dev                         1:3.2.8b-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 20.04 LTS
  fig2dev                         1:3.2.7a-7ubuntu0.1+esm1
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  fig2dev                         1:3.2.6a-6ubuntu1.1+esm1
                                  Available with Ubuntu Pro
  transfig                        1:3.2.6a-6ubuntu1.1+esm1
                                  Available with Ubuntu Pro

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

References:
  https://ubuntu.com/security/notices/USN-7587-1
  CVE-2020-21680, CVE-2020-21682, CVE-2020-21683, CVE-2025-31162,
  CVE-2025-31163, CVE-2025-31164

Package Information:
  https://launchpad.net/ubuntu/+source/fig2dev/1:3.2.9-4ubuntu0.1

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