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CVE-2026-58014

Gnome Glib vulnerability

7.3 HIGHPublic exploitEPSS 0.49%
  1. Published30 Jun 2026

Description

A flaw was found in GLib. An off-by-one error can occur in the g_key_file_get_locale_string_list function in the gkeyfile.c file when loading a key file with an empty value. This flaw can cause an out-of-bounds access of 1 byte or a denial of service when the out-of-bounds access crosses a page boundary.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected products

Gnome Glib< 2.88.1
Redhat Enterprise Linux10.0 · 6.0 · 7.0 · 8.0

Remediation

Fixed in
Gnome Glib≥ 2.88.1

References

and 60 more references

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Frequently asked

Is CVE-2026-58014 being actively exploited?

CVE-2026-58014 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.49%.

How severe is CVE-2026-58014?

CVE-2026-58014 has a CVSS 3.1 base score of 7.3, rated high. EPSS estimates a 0.49% probability of exploitation.

Which products are affected by CVE-2026-58014?

Affected products include Gnome Glib, Redhat Enterprise Linux.

How do I fix CVE-2026-58014?

Upgrade affected software to a fixed version, for example Gnome Glib 2.88.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-58014 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.