5.9
Medium
CVE-2026-58015 Glib: path traversal in glib/gio/gdbusauthmechanismsha1.c via keyring_lookup_entry and mechanism_client_data_receive
Description
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.
CVSS 3.1 detail
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NExploitable remotely over the network, without an account and without any user action; an attacker can seriously compromise confidentiality, integrity or availability.
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- None
- Interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10 | Versions not published | |
| Red Hat Enterprise Linux 6 | Versions not published | |
| Red Hat Enterprise Linux 7 | Versions not published | |
| Red Hat Enterprise Linux 8 | Versions not published | |
| Red Hat Enterprise Linux 9 | Versions not published | |
| Red Hat Hardened Images | Versions not published | |
| glib 2.88 | earliest → < 2.88.1 | 2.88.1 |
| Red Hat Update Infrastructure 5 1788880581 | earliest → < 1788880581 | 1788880581 |
| Red Hat OpenShift Container Platform 4 | Versions not published |
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References
- RHSA-2026:49512 access.redhat.com
- RHSA-2026:55440 access.redhat.com
- RHSA-2026:57015 access.redhat.com
- RHSA-2026:58981 access.redhat.com
- RHSA-2026:61766 access.redhat.com
- RHSA-2026:61783 access.redhat.com
- RHSA-2026:63135 access.redhat.com
- RHSA-2026:63138 access.redhat.com
- RHSA-2026:63140 access.redhat.com
- RHSA-2026:65762 access.redhat.com
- RHSA-2026:65763 access.redhat.com
- RHSA-2026:65767 access.redhat.com
- RHSA-2026:65768 access.redhat.com
- RHSA-2026:65769 access.redhat.com
- RHSA-2026:65770 access.redhat.com
- RHSA-2026:65771 access.redhat.com
- RHSA-2026:65773 access.redhat.com
- RHSA-2026:66018 access.redhat.com
- RHSA-2026:66357 access.redhat.com
- RHSA-2026:70646 access.redhat.com
- RHSA-2026:72394 access.redhat.com
- RHSA-2026:72395 access.redhat.com
- RHSA-2026:72399 access.redhat.com
- RHSA-2026:72470 access.redhat.com
- RHSA-2026:72475 access.redhat.com
- RHSA-2026:72476 access.redhat.com
- RHSA-2026:72502 access.redhat.com
- RHSA-2026:73859 access.redhat.com
- RHSA-2026:73866 access.redhat.com
- RHSA-2026:73909 access.redhat.com
- RHSA-2026:73929 access.redhat.com
- RHSA-2026:73930 access.redhat.com
- RHSA-2026:73959 access.redhat.com
- RHSA-2026:73960 access.redhat.com
- RHSA-2026:73961 access.redhat.com
- RHSA-2026:73962 access.redhat.com
- RHSA-2026:74458 access.redhat.com
- RHSA-2026:74459 access.redhat.com
- RHSA-2026:74460 access.redhat.com
- RHSA-2026:74461 access.redhat.com
- RHSA-2026:74462 access.redhat.com
- RHSA-2026:74463 access.redhat.com
- RHSA-2026:74674 access.redhat.com
- RHSA-2026:74677 access.redhat.com
- RHSA-2026:74678 access.redhat.com
- RHSA-2026:74679 access.redhat.com
- RHSA-2026:74681 access.redhat.com
- RHSA-2026:74683 access.redhat.com
- RHSA-2026:74685 access.redhat.com
- RHSA-2026:74687 access.redhat.com
- RHSA-2026:74688 access.redhat.com
- RHSA-2026:74771 access.redhat.com
- RHSA-2026:75652 access.redhat.com
- RHSA-2026:75654 access.redhat.com
- RHSA-2026:75655 access.redhat.com
- RHSA-2026:75657 access.redhat.com
- RHSA-2026:75658 access.redhat.com
- RHSA-2026:75659 access.redhat.com
- RHSA-2026:75660 access.redhat.com
- RHSA-2026:76042 access.redhat.com
- RHSA-2026:77320 access.redhat.com
- RHSA-2026:80769 access.redhat.com
- RHSA-2026:80771 access.redhat.com
- RHSA-2026:82059 access.redhat.com
- RHSA-2026:82061 access.redhat.com
- RHSA-2026:82066 access.redhat.com
- RHSA-2026:82304 access.redhat.com
- RHSA-2026:82322 access.redhat.com
- RHSA-2026:82336 access.redhat.com
- RHSA-2026:82347 access.redhat.com
- RHSA-2026:82354 access.redhat.com
- RHSA-2026:82368 access.redhat.com
- RHSA-2026:82371 access.redhat.com
- RHSA-2026:82372 access.redhat.com
- RHSA-2026:82415 access.redhat.com
- RHSA-2026:82811 access.redhat.com
- RHSA-2026:82857 access.redhat.com
- RHSA-2026:82888 access.redhat.com
- RHSA-2026:92449 access.redhat.com
- RHSA-2026:92452 access.redhat.com
- access.redhat.com access.redhat.com
- RHBZ#2492256 bugzilla.redhat.com
- gitlab.gnome.org gitlab.gnome.org
Timeline
- Published
- Last modified
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