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SUSE Linux Moderate Libpng16 Info Disclosure Vuln 2026-2057-1

suse
Calendar Grey May 25, 2026
Dist Suse Esm H88
Update released for libpng16 addressing information disclosure and data corruption vulnerabilities with moderate severity.
An update that solves one vulnerability can now be installed.

Summary

## This update for libpng16 fixes the following issue: * CVE-2026-34757: information disclosure and data corruption due to use-after- free in `png_set_PLTE`, `png_set_tRNS` and `png_set_hIST` (bsc#1261957). ## 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 Micro for Rancher 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-2057=1 * SUSE Linux Enterprise Micro 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-2057=1 * SUSE Linux Enterprise Micro for Rancher 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-2057=1 * SUSE Linux Enterprise Micro 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-2057=1 * SUSE Linux Enterprise Micro 5.5

Topics%20covered

Topics Covered

security advisory moderate SuSE information disclosure data corruption libpng16

References

* bsc#1261957

Cross-

* CVE-2026-34757

CVSS scores:

* CVE-2026-34757 ( SUSE ): 5.1

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

* CVE-2026-34757 ( SUSE ): 5.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

* CVE-2026-34757 ( NVD ): 5.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

* CVE-2026-34757 ( NVD ): 4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Affected Products:

* SUSE Linux Enterprise Micro 5.2

* SUSE Linux Enterprise Micro 5.3

* SUSE Linux Enterprise Micro 5.4

* SUSE Linux Enterprise Micro 5.5

* SUSE Linux Enterprise Micro for Rancher 5.2

* SUSE Linux Enterprise Micro for Rancher 5.3

* SUSE Linux Enterprise Micro for Rancher 5.4

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-34757.html

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2057-1
Release Date: 2026-05-25T14:04:25Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate SuSE information disclosure data corruption libpng16

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