CVE-2026-58011
Medium
Description
A flaw was found in GLib. An out-of-bounds read of only 2 bytes can occur in the g_date_time_get_ymd function in the glib/gdatetime.c file when an invalid GDateTime object produced by the g_date_time_add_full function is processed. This flaw can corrupt the date output and potentially cause logic errors that may lead to a denial of service.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Gnome Glib
PublishedJun 30, 2026
First seenJun 30, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- gnome glib2.86.5 or later
Vendor advisories
- gitlab.gnome.org/GNOME/glib/-/issues/3917
- gitlab.gnome.org/GNOME/glib/-/work_items/3917
- access.redhat.com/errata/RHSA-2026:49512
- access.redhat.com/errata/RHSA-2026:55440
- access.redhat.com/errata/RHSA-2026:57015
- access.redhat.com/errata/RHSA-2026:58981
- access.redhat.com/errata/RHSA-2026:61766
- access.redhat.com/errata/RHSA-2026:61783
- access.redhat.com/errata/RHSA-2026:63135
- access.redhat.com/errata/RHSA-2026:63138
- access.redhat.com/errata/RHSA-2026:63140
- access.redhat.com/errata/RHSA-2026:65762
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gnome glib | v < 2.86.5, 2.88.0 | 2.86.5 |
| redhat enterprise_linux | 6.0, 7.0, 8.0, 9.0, 10.0 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.