Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 448
Alerts This Week
Warning Icon 1 448

openSUSE Leap 16.0 Important libXfont2 Heap Overflow Vuln 2026-21284-1

opensuse
Calendar Grey July 13, 2026
Dist Opensuse Esm H88
An important security advisory for openSUSE libXfont2 fixes critical heap overflows and provides patch instructions.
An update that solves 3 vulnerabilities and has 3 bug fixes can now be installed.

Description

This update for libXfont2 fixes the following issues

- CVE-2026-56001: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow (bsc#1269018).

- CVE-2026-56002: PCF Font Parsing Heap Buffer Overflow (bsc#1269019).

- CVE-2026-56003: computeProps Property Buffer Heap Buffer Overflow (bsc#1269020).

Patch instructions:

To install this openSUSE security update use the suse recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 16.0

zypper in -t patch openSUSE-Leap-16.0-1195=1

Topics%20covered

Topics Covered

security advisory patch important heap overflow OpenSUSE libXfont2

Patch

Package List

- openSUSE Leap 16.0:

libXfont2-2-2.0.7-160000.4.1

libXfont2-devel-2.0.7-160000.4.1

References

* bsc#1269018

* bsc#1269019

* bsc#1269020

References:

* https://www.suse.com/security/cve/CVE-2026-56001.html

* https://www.suse.com/security/cve/CVE-2026-56002.html

* https://www.suse.com/security/cve/CVE-2026-56003.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:21284-1
Rating: important
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

Topics%20covered

Topics Covered

security advisory patch important heap overflow OpenSUSE libXfont2

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.