CVE-2026-58011

MEDIUM
Published Jun 30, 2026 Modified Jul 2, 2026 CWE-125

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.

CVSS v3.1 Score

6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

EPSS — Exploit Prediction

0.0034
Probability of exploitation
0.26%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

Affected Products

Vendor Product
gnome glib
gnome glib
redhat enterprise_linux
redhat enterprise_linux
redhat enterprise_linux
redhat enterprise_linux
redhat enterprise_linux

References

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. It has a CVSS v3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2026-58011? +
CVE-2026-58011 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0034, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2026-58011? +
CVE-2026-58011 affects products from gnome, redhat, specifically: enterprise_linux, glib. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2026-58011? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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