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openSUSE 15.6 glib2 Important Buffer Overflow and Heap Access Patch

opensuse
Calendar Grey February 4, 2026
Dist Opensuse Esm H88
An important update for openSUSE addressing three vulnerabilities in glib2, includes crucial fixes and recommendations.
An update that solves three vulnerabilities can now be installed.

Description

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).

Topics%20covered

Topics Covered

security advisory buffer overflow important integer overflow OpenSUSE heap allocation

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:

* openSUSE Leap 15.6

zypper in -t patch SUSE-2026-373=1 openSUSE-SLE-15.6-2026-373=1

* Basesystem Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-373=1

* SUSE Linux Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-373=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-373=1

Package List

* openSUSE Leap 15.6 (noarch)

* gio-branding-upstream-2.78.6-150600.4.35.1

* glib2-lang-2.78.6-150600.4.35.1

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)

* glib2-tools-2.78.6-150600.4.35.1

* glib2-tests-devel-2.78.6-150600.4.35.1

* libgio-2_0-0-debuginfo-2.78.6-150600.4.35.1

* libgmodule-2_0-0-debuginfo-2.78.6-150600.4.35.1

* libgthread-2_0-0-debuginfo-2.78.6-150600.4.35.1

* libgobject-2_0-0-debuginfo-2.78.6-150600.4.35.1

* libgio-2_0-0-2.78.6-150600.4.35.1

* libgmodule-2_0-0-2.78.6-150600.4.35.1

* libgobject-2_0-0-2.78.6-150600.4.35.1

* libgthread-2_0-0-2.78.6-150600.4.35.1

* glib2-doc-2.78.6-150600.4.35.1

* libglib-2_0-0-2.78.6-150600.4.35.1

* glib2-devel-static-2.78.6-150600.4.35.1

* glib2-devel-2.78.6-150600.4.35.1

* libglib-2_0-0-debuginfo-2.78.6-150600.4.35.1

* glib2-tools-debuginfo-2.78.6-150600.4.35.1

* glib2-tests-devel-debuginfo-2.78.6-150600.4.35.1

* glib2-devel-debuginfo-2.78.6-150600.4.35.1

* glib2-debugsource-2.78.6-150600.4.35.1

* openSUSE Leap 15.6 (x86_64)

*...

Read the Full Advisory

References

* bsc#1257353

* bsc#1257354

* bsc#1257355

## References:

* https://www.suse.com/security/cve/CVE-2026-1484.html

* https://www.suse.com/security/cve/CVE-2026-1485.html

* https://www.suse.com/security/cve/CVE-2026-1489.html

* https://bugzilla.suse.com/show_bug.cgi?id=1257353

* https://bugzilla.suse.com/show_bug.cgi?id=1257354

* https://bugzilla.suse.com/show_bug.cgi?id=1257355

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0373-1
Release Date: 2026-02-04T02:50:53Z
Affected Products: * Basesystem Module 15-SP7 * openSUSE Leap 15.6 * SUSE Linux Enterprise Desktop 15 SP7 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP6 LTSS * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP7

Topics%20covered

Topics Covered

security advisory buffer overflow important integer overflow OpenSUSE heap allocation

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