Amazon Linux 2 Security Advisory: ALAS2-2026-3803
Advisory Released Date: 2026-07-20
Advisory Updated Date: 2026-07-20
Severity:
Important
Issue Overview:
A flaw was found in GLib. A state confusion issue exists in g_dbus_node_info_new_for_xml() in the gio/gdbusintrospection.c file when processing malformed D-Bus introspection XML, specifically with a <node> element nested within other elements like <method>, <signal>, <property> or <arg>. This issue can cause an unsigned integer overflow and lead to an out-of-bounds read, resulting in a denial of service. (CVE-2026-58016)
Affected Packages:
glib2
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update glib2 or yum update --advisory ALAS2-2026-3803 to update your system.
New Packages:
aarch64:
glib2-2.56.1-9.amzn2.0.14.aarch64
glib2-devel-2.56.1-9.amzn2.0.14.aarch64
glib2-fam-2.56.1-9.amzn2.0.14.aarch64
glib2-static-2.56.1-9.amzn2.0.14.aarch64
glib2-tests-2.56.1-9.amzn2.0.14.aarch64
glib2-debuginfo-2.56.1-9.amzn2.0.14.aarch64
i686:
glib2-2.56.1-9.amzn2.0.14.i686
glib2-devel-2.56.1-9.amzn2.0.14.i686
glib2-fam-2.56.1-9.amzn2.0.14.i686
glib2-static-2.56.1-9.amzn2.0.14.i686
glib2-tests-2.56.1-9.amzn2.0.14.i686
glib2-debuginfo-2.56.1-9.amzn2.0.14.i686
noarch:
glib2-doc-2.56.1-9.amzn2.0.14.noarch
src:
glib2-2.56.1-9.amzn2.0.14.src
x86_64:
glib2-2.56.1-9.amzn2.0.14.x86_64
glib2-devel-2.56.1-9.amzn2.0.14.x86_64
glib2-fam-2.56.1-9.amzn2.0.14.x86_64
glib2-static-2.56.1-9.amzn2.0.14.x86_64
glib2-tests-2.56.1-9.amzn2.0.14.x86_64
glib2-debuginfo-2.56.1-9.amzn2.0.14.x86_64