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openSUSE python-Pillow Important Memory Allocation Risk Vuln 2026-21296-1

opensuse
Calendar Grey July 13, 2026
Dist Opensuse Esm H88
An important update for openSUSE addresses various security issues in python-Pillow, recommending immediate patch installation.
An update that solves 5 vulnerabilities and has 5 bug fixes can now be installed.

Description

This update for python-Pillow fixes the following issues

- CVE-2026-42311: malicious PSD file processing can lead to arbitrary code execution (bsc#1270404).

- CVE-2026-54059: crafted PCF font data can cause excessive memory allocation (bsc#1270409).

- CVE-2026-54060: fonts can trigger excessive memory allocation during conversion or saving (bsc#1270410).

- CVE-2026-55379: bypass of decompression bomb protection allows excessive memory allocation (bsc#1270411).

- CVE-2026-55380: crafted `.gd` file can trigger excessive C-heap allocation when loaded (bsc#1270412).

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-16.0-1207=1

Topics%20covered

Topics Covered

security advisory arbitrary code execution important OpenSUSE python-pillow excessive memory allocation

Patch

Package List

- openSUSE Leap 16.0:

python313-Pillow-11.3.0-160000.6.1

python313-Pillow-tk-11.3.0-160000.6.1

References

* bsc#1270404

* bsc#1270409

* bsc#1270410

* bsc#1270411

* bsc#1270412

References:

* https://www.suse.com/security/cve/CVE-2026-42311.html

* https://www.suse.com/security/cve/CVE-2026-54059.html

* https://www.suse.com/security/cve/CVE-2026-54060.html

* https://www.suse.com/security/cve/CVE-2026-55379.html

* https://www.suse.com/security/cve/CVE-2026-55380.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:21296-1
Rating: important
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

Topics%20covered

Topics Covered

security advisory arbitrary code execution important OpenSUSE python-pillow excessive memory allocation

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