A flaw was found in GLib. The D-Bus client-side implementation of the DBUS_COOKIE_SHA1 SASL authentication mechanism does not validate the cookie_context parameter received from the server. A malicio…
Medium CVSS 5.9
Summary
A flaw was found in GLib. The D-Bus client-side implementation of the DBUS_COOKIE_SHA1 SASL authentication mechanism does not validate the cookie_context parameter received from the server. A malicious D-Bus server can supply a cookie_context containing path traversal sequences, causing the client to read an arbitrary file and exfiltrate sensitive data by verifying guessed file contents against a generated hash.
In-depth triage · Auto channel
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- :
Sources
- NVD DATABASE
Original Links
- https://access.redhat.com/errata/RHSA-2026:49512
- https://access.redhat.com/security/cve/CVE-2026-58015 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2492256 Issue Tracking
- https://gitlab.gnome.org/GNOME/glib/-/issues/3931 Exploit
Timeline
- nvd_ingest NVD