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Ubuntu 25.10 FreeType Key Integer Arithmetic Information Leak USN-8086-1

ubuntu
Calendar Grey March 13, 2026
Dist Ubuntu Esm H88
FreeType critical update on Ubuntu to avert information leak risks from integer arithmetic flaws. Secure your system now!
FreeType could be made to leak sensitive information.

Summary

FreeType could be made to leak sensitive information.

Software Description:

- freetype: FreeType 2 is a font engine library

Details:

It was discovered that FreeType did not correctly handle certain integer

arithmetic. An attacker could possibly use this issue to leak sensitive

information.

Topics%20covered

Topics Covered

security advisory information leak Ubuntu important freetype integer arithmetic

Update Instructions

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

Ubuntu 25.10
  libfreetype-dev                 2.13.3+dfsg-1ubuntu0.1
  libfreetype6                    2.13.3+dfsg-1ubuntu0.1

Ubuntu 24.04 LTS
  libfreetype-dev                 2.13.2+dfsg-1ubuntu0.1
  libfreetype6                    2.13.2+dfsg-1ubuntu0.1

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

References

https://ubuntu.com/security/notices/USN-8086-1

CVE-2026-23865

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8086-1

Topics%20covered

Topics Covered

security advisory information leak Ubuntu important freetype integer arithmetic

Package Information

https://launchpad.net/ubuntu/+source/freetype/2.13.3+dfsg-1ubuntu0.1
https://launchpad.net/ubuntu/+source/freetype/2.13.2+dfsg-1ubuntu0.1

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