Is there a public exploit for CVE-2026-58013?

No public exploit for CVE-2026-58013 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-58013?

CVE-2026-58013 scores CVSS 6.5 (v3.1), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.5%.

What does CVE-2026-58013 affect?

CVE-2026-58013 affects Gnome, Red Hat Red Hat OpenShift AI 3.5, Red Hat OpenShift AI 3.4, Red Hat AI Inference Server 3.5, Cert Manager support for Red Hat OpenShift release 1.19, Red Hat OpenShift AI 3.0, Cert Manager support for Red Hat OpenShift release 1.20.

6.5 Medium

A flaw was found in GLib.

CVE-2026-58013

A flaw was found in GLib. A buffer over-read can occur in giochannelreadlinebackend() in the giochannel.c file when a custom line terminator with a length greater than one is set, causing memcmp to read past the GString buffer. This vulnerability can cause a minor information disclosure of 7 bytes or a denial of service when the buffer over-read crosses a page boundary.

Assessment

CVSS: 6.5 (v3.1)
Severity: Medium
EPSS: 0.5% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 30 June 2026
Last updated: 5 November 2026
Affected: Gnome · Red Hat · Cert Manager support for Red Hat OpenShift release 1.17 · Cert Manager support for Red Hat OpenShift release 1.18 · Cert Manager support for Red Hat OpenShift release 1.19 · Cert Manager support for Red Hat OpenShift release 1.20
Assigner: redhat

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

At the source

EUVD (ENISA)

References

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