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CVE-2026-58011

34
FAUCET Score

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.

First published: Jun 30, 2026Last modified: Jun 30, 2026

Impacted Technologies

VendorProductVersion(s)CPE
< 2.86.5CPE matchmatch criteria
cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:*
2.88.0CPE matchmatch criteria
cpe:2.3:a:gnome:glib:2.88.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 9th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia msrc
Product: azl3 glib 2.78.6-9 on Azure Linux 3.0Fixed in: 2.78.6-10
microsoftpatch availablevia msrc
Product: 21513-17084Fixed in: 2.78.6-10

Vendor Advisories (1)

microsoft2026-Jun/CVE-2026-58011Moderate

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

Jun 9, 2026

References

gitlab.gnome.org / GNOME/glib/-/work_items/3917
ExploitVendor Advisory
access.redhat.com / security/cve/CVE-2026-58011
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
gitlab.gnome.org / GNOME/glib/-/issues/3917
ExploitIssue TrackingVendor Advisory