RHSA-2026:49512: Important: mingw-glib2 security update
GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures.Security Fix(es): glib: GLib: Buffer underflow in GVariant parser leads to heap corruption (CVE-2025-14087) glib: buffer over-read in glib/gvariant-serialiser.c via gvstupleisnormal() (CVE-2026-58010) glib: out-of-bounds read in glib/gdatetime.c:gdatetimegetymd via invalid GDateTime (CVE-2026-58011) glib: buffer over-read in gregexreplace() via glib/gregex.c:stringappend() and gutf8nextchar() (CVE-2026-58012) glib: buffer over-read in glib/giochannel.c via "giochannelreadlinebackend" (CVE-2026-58013) glib: off-by-one error in glib/gkeyfile.c via "gkeyfilegetlocalestringlist" (CVE-2026-58014) glib: path traversal in glib/gio/gdbusauthmechanismsha1.c via keyringlookupentry and mechanismclientdatareceive (CVE-2026-58015) glib: integer underflow in gio/gdbusintrospection.c via "gdbusnodeinfonewforxml" (CVE-2026-58016) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/mingw-glib2to a version that resolves this vulnerability.Fixed in 2.70.1-9.el8_10 - Upgrade
Upgrade
redhat/mingw32-glib2to a version that resolves this vulnerability.Fixed in 2.70.1-9.el8_10 - Upgrade
Upgrade
redhat/mingw32-glib2-debuginfoto a version that resolves this vulnerability.Fixed in 2.70.1-9.el8_10 - Upgrade
Upgrade
redhat/mingw32-glib2-staticto a version that resolves this vulnerability.Fixed in 2.70.1-9.el8_10 - Upgrade
Upgrade
redhat/mingw64-glib2to a version that resolves this vulnerability.Fixed in 2.70.1-9.el8_10 - Upgrade
Upgrade
redhat/mingw64-glib2-debuginfoto a version that resolves this vulnerability.Fixed in 2.70.1-9.el8_10 - Upgrade
Upgrade
redhat/mingw64-glib2-staticto a version that resolves this vulnerability.Fixed in 2.70.1-9.el8_10
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:49512?
The severity of RHSA-2026:49512 is high with a rating of 7.
What types of software are affected by RHSA-2026:49512?
RHSA-2026:49512 affects the Red Hat CodeReady Linux Builder for x86_64 and packages related to redhat/mingw-glib2.
What is the main security issue addressed in RHSA-2026:49512?
The main security issue in RHSA-2026:49512 is a buffer underflow vulnerability in GLib.
How do I fix RHSA-2026:49512?
To fix RHSA-2026:49512, update the affected GLib packages to their latest versions as recommended by Red Hat.
What is the potential impact of exploiting RHSA-2026:49512?
Exploiting RHSA-2026:49512 could lead to a path traversal vulnerability, potentially allowing unauthorized access to files.