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openSUSE: glib2 Important Denial-of-Service and Buffer Overflow 2026:0018-1

opensuse
Calendar Grey January 5, 2026
Dist Opensuse Esm H88
Three important vulnerabilities in glib2 fixed in the latest openSUSE security update—take action.
An update that solves three vulnerabilities can now be installed.

Description

This update for glib2 fixes the following issues:

* CVE-2025-14512: integer overflow in the GIO `escape_byte_string()` function

when processing malicious files or remote filesystem attribute values can

lead to denial-of-service (bsc#1254878).

* CVE-2025-14087: buffer underflow in the GVariant parser `bytestring_parse()`

and `string_parse()` functions when processing attacker-influenced data may

lead to crash or code execution (bsc#1254662).

* CVE-2025-13601: heap-based buffer overflow in the `g_escape_uri_string()`

function when processing strings with a large number of unacceptable

characters may lead to crash or code execution (bsc#1254297).

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow important glib2 OpenSUSE

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-2026-18=1 openSUSE-SLE-15.6-2026-18=1

* Basesystem Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-18=1

* SUSE Linux Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-18=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-18=1

Package List

* openSUSE Leap 15.6 (noarch)

* gio-branding-upstream-2.78.6-150600.4.25.1

* glib2-lang-2.78.6-150600.4.25.1

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)

* glib2-tests-devel-2.78.6-150600.4.25.1

* glib2-doc-2.78.6-150600.4.25.1

* glib2-tools-2.78.6-150600.4.25.1

* libglib-2_0-0-2.78.6-150600.4.25.1

* glib2-debugsource-2.78.6-150600.4.25.1

* libgio-2_0-0-debuginfo-2.78.6-150600.4.25.1

* libgmodule-2_0-0-debuginfo-2.78.6-150600.4.25.1

* libgthread-2_0-0-2.78.6-150600.4.25.1

* glib2-devel-debuginfo-2.78.6-150600.4.25.1

* libgmodule-2_0-0-2.78.6-150600.4.25.1

* glib2-tools-debuginfo-2.78.6-150600.4.25.1

* libgobject-2_0-0-debuginfo-2.78.6-150600.4.25.1

* libgthread-2_0-0-debuginfo-2.78.6-150600.4.25.1

* glib2-devel-static-2.78.6-150600.4.25.1

* libgio-2_0-0-2.78.6-150600.4.25.1

* glib2-tests-devel-debuginfo-2.78.6-150600.4.25.1

* libglib-2_0-0-debuginfo-2.78.6-150600.4.25.1

* glib2-devel-2.78.6-150600.4.25.1

* libgobject-2_0-0-2.78.6-150600.4.25.1

* openSUSE Leap 15.6 (x86_64)

*...

Read the Full Advisory

References

* bsc#1254297

* bsc#1254662

* bsc#1254878

## References:

* https://www.suse.com/security/cve/CVE-2025-13601.html

* https://www.suse.com/security/cve/CVE-2025-14087.html

* https://www.suse.com/security/cve/CVE-2025-14512.html

* https://bugzilla.suse.com/show_bug.cgi?id=1254297

* https://bugzilla.suse.com/show_bug.cgi?id=1254662

* https://bugzilla.suse.com/show_bug.cgi?id=1254878

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0018-1
Release Date: 2026-01-05T10:52:41Z
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 denial of service buffer overflow important glib2 OpenSUSE

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