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SUSE glib2 Important Buffer Underflow Buffer Overflow Vuln 2026-0373-1

suse
Calendar Grey February 4, 2026
Dist Suse Esm H88
Important security update for glib2 in SUSE fixes three issues including buffer overflows and underflows.
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: * openSUSE Leap 15.6 zypper in -t patch SUSE-2026-373=1 openSUSE-SLE-15.6-2026-373=1 * Basesystem Module 15-SP7

Topics%20covered

Topics Covered

security advisory SuSE remote access 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-2026:0373-1
Release Date: 2026-02-04T02:50:53Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE remote access important buffer underflow glib2

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