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SUSE GraphicsMagick Important Stack Overflow Heap Overflow 2026-1300-1

suse
Calendar Grey April 13, 2026
Dist Suse Esm H88
Critical security patch for GraphicsMagick addresses important vulnerabilities in SUSE, ensuring system integrity.
An update that solves two vulnerabilities can now be installed.

Summary

## This update for GraphicsMagick fixes the following issues: * CVE-2026-26284: heap overflow in pcd decoder leads to out of bounds read (bsc#1258765). * CVE-2026-28690: missing bounds check in the MNG encoder can lead to a stack buffer overflow (bsc#1259456). ## 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 Package Hub 15 15-SP7 zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-1300=1 * openSUSE Leap 15.6 zypper in -t patch SUSE-2026-1300=1 ## Package List: * SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x x86_64) * GraphicsMagick-devel-1.3.42-150600.3.18.1 * libGraphicsMagick++-devel-1.3.42-150600.3.18.1

Topics%20covered

Topics Covered

security advisory SuSE important heap overflow stack overflow graphicsmagick

References

* bsc#1258765

* bsc#1259456

Cross-

* CVE-2026-26284

* CVE-2026-28690

CVSS scores:

* CVE-2026-26284 ( SUSE ): 6.9

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N

* CVE-2026-26284 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

* CVE-2026-26284 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

* CVE-2026-26284 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

* CVE-2026-28690 ( SUSE ): 8.8

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N

* CVE-2026-28690 ( SUSE ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

* CVE-2026-28690 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:H

* CVE-2026-28690 ( NVD ): 6.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H

Affected Products:

* openSUSE Leap 15.6

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1300-1
Release Date: 2026-04-13T15:58:01Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important heap overflow stack overflow graphicsmagick

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