Glib: glib: buffer underflow in gvariant parser leads to heap corruption
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.6epss 0.8%
exploitation probability
0.8%top 48% of all CVEs
observed exploitation
nono source reports it
A flaw was found in GLib (Gnome Lib). This vulnerability allows a remote attacker to cause heap corruption, leading to a denial of service or potential code execution via a buffer-underflow in the GVariant parser when processing maliciously crafted input strings.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected products
GNOME · glibRed Hat · Red Hat AI Inference Server 3.2Red Hat · Red Hat Discovery 2Red Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 10.0 Extended Update SupportRed Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat · Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat · Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat · Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat · Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 9.4 Extended Update SupportRed Hat · Red Hat Enterprise Linux 9.6 Extended Update SupportRed Hat · Red Hat Hardened ImagesRed Hat · Red Hat Insights proxy 1.5Red Hat · Red Hat OpenShift Container Platform 4Red Hat · Red Hat Update Infrastructure 5References
https://access.redhat.com/errata/RHSA-2026:15953https://access.redhat.com/errata/RHSA-2026:15969https://access.redhat.com/errata/RHSA-2026:15971https://access.redhat.com/errata/RHSA-2026:19148https://access.redhat.com/errata/RHSA-2026:19361https://access.redhat.com/errata/RHSA-2026:19452https://access.redhat.com/errata/RHSA-2026:19457https://access.redhat.com/errata/RHSA-2026:19459https://access.redhat.com/errata/RHSA-2026:19460https://access.redhat.com/errata/RHSA-2026:19523https://access.redhat.com/errata/RHSA-2026:19524https://access.redhat.com/errata/RHSA-2026:19565