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SUSE glibc Critical Memory Integrity Notification SUSE-SU-2026-0459-5

suse
Calendar Grey February 2, 2026
Dist Suse Esm H88
Update for glib2 tackles important issues with buffer underflow and access risks in SUSE Linux Enterprise.
An update that solves three vulnerabilities can now be installed.

Summary

## This update for glib2 fixes the following issues: * CVE-2026-1485: Fixed buffer underflow and out-of-bounds access due to integer wraparound in content type parsing (bsc#1257354). * CVE-2026-1484: Fixed buffer underflow and out-of-bounds access due to miscalculated buffer boundaries in the Base64 encoding routine (bsc#1257355). * CVE-2026-1489: Fixed undersized heap allocation followed by out-of-bounds access due to integer overflow in Unicode case conversion (bsc#1257353). ## 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 5.2 zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-355=1

Topics%20covered

Topics Covered

security advisory unauthorized access SuSE important buffer underflow glib2

References

* bsc#1257353

* bsc#1257354

* bsc#1257355

Cross-

* CVE-2026-1484

* CVE-2026-1485

* CVE-2026-1489

CVSS scores:

* CVE-2026-1484 ( SUSE ): 9.2

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

* CVE-2026-1484 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-1484 ( NVD ): 4.2 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L

* CVE-2026-1485 ( SUSE ): 4.6

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

* CVE-2026-1485 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

* CVE-2026-1485 ( NVD ): 2.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L

* CVE-2026-1489 ( SUSE ): 9.2

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

* CVE-2026-1489 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0355-1
Release Date: 2026-01-31T02:04:40Z
Rating: important

Topics%20covered

Topics Covered

security advisory unauthorized access SuSE important buffer underflow glib2

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