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Description

A flaw was found in glib-networking. A remote attacker can exploit this vulnerability by presenting a specially crafted certificate chain to an application that uses glib-networking with the GnuTLS backend enabled and performs certificate verification. This crafted chain, which contains circular issuer relationships, can cause an infinite loop during certificate verification. The unbounded traversal consumes excessive CPU resources, leading to a denial of service for the affected process or worker.

PUBLISHED Reserved 2026-05-28 | Published 2026-05-28 | Updated 2026-05-29 | Assigner redhat




MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Problem types

Loop with Unreachable Exit Condition ('Infinite Loop')

Product status

Default status
affected

Default status
affected

Default status
affected

Default status
affected

Default status
affected

Timeline

2026-05-04:Reported to Red Hat.
2026-05-28:Made public.

References

access.redhat.com/security/cve/CVE-2026-10028 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2465152 (RHBZ#2465152) issue-tracking

gitlab.gnome.org/GNOME/glib-networking/-/work_items/231

cve.org (CVE-2026-10028)

nvd.nist.gov (CVE-2026-10028)

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