Skip to main content
MEDIUM

CVE-2026-58011

CVSS v3

6.5

MEDIUM

EPSS Score

0.5 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Get an alert for each new CVE published for glib.

Set up CVE WatchFree account · no credit card

Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • glib2AlmaLinux:10all versions · fixed in 2.80.4-12.el10_2.21and 4 other packages
  • glib2AlmaLinux:9all versions · fixed in 2.68.4-19.el9_8.9and 4 other packages
  • glib2AlmaLinux:8all versions · fixed in 2.56.4-177.el8_10and 5 other packages
  • mingw32-glib2AlmaLinux:8all versions · fixed in 2.70.1-9.el8_10and 3 other packages

Vendor advisories

  • CVE-2026-58011 Red Hat Product Security815 products fixed · 15 known affected

    glib: out-of-bounds read in glib/gdatetime.c:g_date_time_get_ymd via invalid GDateTime

    mingw-glib2.src as a component of Red Hat Enterprise Linux 10 · mingw32-glib2 as a component of Red Hat Enterprise Linux 10 · mingw32-glib2-static as a component of Red Hat Enterprise Linux 10

  • RHSA-2026:82888 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.17.2

  • RHSA-2026:82857 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.18.2

  • RHSA-2026:82415 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: Red Hat AI Inference 3.5.2 (cpu)

  • RHSA-2026:82372 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.18.2

  • RHSA-2026:82371 Red Hat Product Security3 products fixed

    Red Hat Security Advisory: Red Hat AI Inference 3.5.2 (spyre)

68 more advisories

Full record on NVD

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.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Published
2026-06-30
Last Modified
2026-06-30
MSRC Title
Glib: out-of-bounds read in glib/gdatetime.c:g_date_time_get_ymd via invalid gdatetime

Frequently asked questions

What is CVE-2026-58011?

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.

Is CVE-2026-58011 actively exploited?

Active exploitation of CVE-2026-58011 has not been confirmed. Its EPSS score was 0.5% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-58011?

CVE-2026-58011 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

Running glib? Hear about its next vulnerability

CVE Watch matches each new CVE to the vendors and products you list (vendor and product, not the version) and puts it in your alerts with its KEV and EPSS status.

Get alerts for this productCISA KEV additions, October 2026Search CVEs

Already have an account? Open CVE WatchNo credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database