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openSUSE python-Pillow Important DoS Vulnerability Fix 2026-3268-1

opensuse
Calendar Grey July 27, 2026
Scroller Opensuse
An important update for openSUSE Python-Pillow mitigates 11 critical issues, enhancing security against attacks.
A new security update for python-Pillow addresses 11 vulnerabilities in various SUSE Linux products, including issues related to memory allocation, out-of-bounds access, and denial...

Description

This update for python-Pillow fixes the following issues:

* CVE-2026-54058: out-of-bounds read via attacker-controlled row stride on

`mmap` path (bsc#1271419).

* CVE-2026-54059: bomb protection bypass via PCF font loading due to

`Image.frombytes()` being called without `_decompression_bomb_check()`

(bsc#1270409).

* CVE-2026-54060: excessive allocation due to `FontFile.compile()`:

`Image.new()` being called without `_decompression_bomb_check()`

(bsc#1270410).

* CVE-2026-55379: bomb protection bypass via font loading due to `Image.new()`

being called without `_decompression_bomb_check()` (bsc#1270411).

* CVE-2026-55380: unchecked 4.3 GB C-heap allocation due to image dimensions

being accepted without `_decompression_bomb_check()` in

`GdImageFile._open()` (bsc#1270412).

* CVE-2026-59197: heap out-of-bounds write in `ImageFilter.RankFilter` via

integer overflow in `ImagingExpand` (bsc#1271418).

* CVE-2026-59198: out-of-bounds heap data...

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Topics%20covered

Topics Covered

security advisory denial of service important heap overflow OpenSUSE python-pillow

Patch

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like

YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-3268=1

* Python 3 Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Python3-15-SP7-2026-3268=1

* SUSE Linux Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-3268=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-3268=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-3268=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-3268=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-3268=1

*...

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Package List

* openSUSE Leap 15.4 (aarch64 i586 ppc64le s390x x86_64)

* python311-Pillow-tk-debuginfo-9.5.0-150400.5.25.1

* python311-Pillow-9.5.0-150400.5.25.1

* python-Pillow-debuginfo-9.5.0-150400.5.25.1

* python311-Pillow-debuginfo-9.5.0-150400.5.25.1

* python-Pillow-debugsource-9.5.0-150400.5.25.1

* python311-Pillow-tk-9.5.0-150400.5.25.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64

x86_64)

* python311-Pillow-tk-debuginfo-9.5.0-150400.5.25.1

* python311-Pillow-9.5.0-150400.5.25.1

* python-Pillow-debuginfo-9.5.0-150400.5.25.1

* python311-Pillow-debuginfo-9.5.0-150400.5.25.1

* python-Pillow-debugsource-9.5.0-150400.5.25.1

* python311-Pillow-tk-9.5.0-150400.5.25.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64

x86_64)

* python311-Pillow-9.5.0-150400.5.25.1

* python311-Pillow-tk-debuginfo-9.5.0-150400.5.25.1

* python-Pillow-debuginfo-9.5.0-150400.5.25.1

* python-Pillow-debugsource-9.5.0-150400.5.25.1

* python311-Pillow-debuginfo-9.5.0-150400.5.25.1

*...

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References

* bsc#1270409

* bsc#1270410

* bsc#1270411

* bsc#1270412

* bsc#1271418

* bsc#1271419

* bsc#1271420

* bsc#1271421

* bsc#1271422

* bsc#1271424

* bsc#1271425

## References:

* https://www.suse.com/security/cve/CVE-2026-54058.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

* https://www.suse.com/security/cve/CVE-2026-59197.html

* https://www.suse.com/security/cve/CVE-2026-59198.html

* https://www.suse.com/security/cve/CVE-2026-59199.html

* https://www.suse.com/security/cve/CVE-2026-59200.html

* https://www.suse.com/security/cve/CVE-2026-59204.html

* https://www.suse.com/security/cve/CVE-2026-59205.html

* https://bugzilla.suse.com/show_bug.cgi?id=1270409

* https://bugzilla.suse.com/show_bug.cgi?id=1270410

* https://bugzilla.suse.com/show_bug.cgi?id=1270411

* https://bugzilla.suse.com/show_bug.cgi?id=1270412

*...

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Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:3268-1
Release Date: 2026-07-27T10:59:26Z

Topics%20covered

Topics Covered

security advisory denial of service important heap overflow OpenSUSE python-pillow

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