CVE-2026-15588

A denial-of-service and resource exhaustion vulnerability exists within the `GDBus` component of GLib. The `gdbusauth` authentication mechanism fails to enforce proper length limitations on data lines read from a client. An unauthenticated local or remote attacker can exploit this lack of input validation by sending excessively long streams of data, causing the application to consume massive amounts of system memory and CPU, potentially leading to a crash or system hang.
References
Link Resource
https://access.redhat.com/errata/RHSA-2026:39985
https://access.redhat.com/errata/RHSA-2026:40485
https://access.redhat.com/errata/RHSA-2026:42329
https://access.redhat.com/errata/RHSA-2026:55440
https://access.redhat.com/errata/RHSA-2026:57015
https://access.redhat.com/errata/RHSA-2026:58981
https://access.redhat.com/errata/RHSA-2026:61766
https://access.redhat.com/errata/RHSA-2026:61783
https://access.redhat.com/errata/RHSA-2026:63135
https://access.redhat.com/errata/RHSA-2026:63138
https://access.redhat.com/errata/RHSA-2026:63140
https://access.redhat.com/errata/RHSA-2026:65762
https://access.redhat.com/errata/RHSA-2026:65763
https://access.redhat.com/errata/RHSA-2026:65767
https://access.redhat.com/errata/RHSA-2026:65768
https://access.redhat.com/errata/RHSA-2026:65769
https://access.redhat.com/errata/RHSA-2026:65770
https://access.redhat.com/errata/RHSA-2026:65771
https://access.redhat.com/errata/RHSA-2026:65773
https://access.redhat.com/errata/RHSA-2026:66018
https://access.redhat.com/errata/RHSA-2026:72394
https://access.redhat.com/errata/RHSA-2026:72395
https://access.redhat.com/errata/RHSA-2026:72399
https://access.redhat.com/errata/RHSA-2026:72470
https://access.redhat.com/errata/RHSA-2026:72475
https://access.redhat.com/errata/RHSA-2026:72476
https://access.redhat.com/errata/RHSA-2026:72502
https://access.redhat.com/errata/RHSA-2026:73859
https://access.redhat.com/errata/RHSA-2026:73909
https://access.redhat.com/errata/RHSA-2026:73929
https://access.redhat.com/errata/RHSA-2026:73930
https://access.redhat.com/errata/RHSA-2026:73959
https://access.redhat.com/errata/RHSA-2026:73960
https://access.redhat.com/errata/RHSA-2026:73961
https://access.redhat.com/errata/RHSA-2026:73962
https://access.redhat.com/errata/RHSA-2026:74458
https://access.redhat.com/errata/RHSA-2026:74459
https://access.redhat.com/errata/RHSA-2026:74460
https://access.redhat.com/errata/RHSA-2026:74461
https://access.redhat.com/errata/RHSA-2026:74462
https://access.redhat.com/errata/RHSA-2026:74463
https://access.redhat.com/errata/RHSA-2026:74674
https://access.redhat.com/errata/RHSA-2026:74677
https://access.redhat.com/errata/RHSA-2026:74678
https://access.redhat.com/errata/RHSA-2026:74679
https://access.redhat.com/errata/RHSA-2026:74681
https://access.redhat.com/errata/RHSA-2026:74683
https://access.redhat.com/errata/RHSA-2026:74685
https://access.redhat.com/errata/RHSA-2026:74687
https://access.redhat.com/errata/RHSA-2026:74688
https://access.redhat.com/errata/RHSA-2026:74771
https://access.redhat.com/errata/RHSA-2026:75652
https://access.redhat.com/errata/RHSA-2026:75654
https://access.redhat.com/errata/RHSA-2026:75655
https://access.redhat.com/errata/RHSA-2026:75657
https://access.redhat.com/errata/RHSA-2026:75658
https://access.redhat.com/errata/RHSA-2026:75659
https://access.redhat.com/errata/RHSA-2026:75660
https://access.redhat.com/errata/RHSA-2026:76042
https://access.redhat.com/errata/RHSA-2026:80769
https://access.redhat.com/errata/RHSA-2026:80771
https://access.redhat.com/errata/RHSA-2026:82059
https://access.redhat.com/errata/RHSA-2026:82061
https://access.redhat.com/errata/RHSA-2026:82066
https://access.redhat.com/errata/RHSA-2026:82304
https://access.redhat.com/errata/RHSA-2026:82322
https://access.redhat.com/errata/RHSA-2026:82336
https://access.redhat.com/errata/RHSA-2026:82347
https://access.redhat.com/errata/RHSA-2026:82354
https://access.redhat.com/errata/RHSA-2026:82368
https://access.redhat.com/errata/RHSA-2026:82371
https://access.redhat.com/errata/RHSA-2026:82372
https://access.redhat.com/errata/RHSA-2026:82415
https://access.redhat.com/errata/RHSA-2026:82857
https://access.redhat.com/errata/RHSA-2026:82888
https://access.redhat.com/errata/RHSA-2026:92449
https://access.redhat.com/errata/RHSA-2026:92452
https://access.redhat.com/security/cve/CVE-2026-15588
https://bugzilla.redhat.com/show_bug.cgi?id=2499675
https://gitlab.gnome.org/GNOME/glib/-/issues/3985
https://gitlab.gnome.org/GNOME/glib/-/issues/3985
Configurations

No configuration.

History

29 Oct 2026, 23:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:92449 -
  • () https://access.redhat.com/errata/RHSA-2026:92452 -

14 Oct 2026, 20:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:82857 -
  • () https://access.redhat.com/errata/RHSA-2026:82888 -

14 Oct 2026, 03:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:82304 -
  • () https://access.redhat.com/errata/RHSA-2026:82322 -
  • () https://access.redhat.com/errata/RHSA-2026:82336 -
  • () https://access.redhat.com/errata/RHSA-2026:82347 -
  • () https://access.redhat.com/errata/RHSA-2026:82354 -
  • () https://access.redhat.com/errata/RHSA-2026:82368 -
  • () https://access.redhat.com/errata/RHSA-2026:82371 -
  • () https://access.redhat.com/errata/RHSA-2026:82372 -
  • () https://access.redhat.com/errata/RHSA-2026:82415 -

13 Oct 2026, 09:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:82059 -
  • () https://access.redhat.com/errata/RHSA-2026:82061 -
  • () https://access.redhat.com/errata/RHSA-2026:82066 -

12 Oct 2026, 21:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:80769 -
  • () https://access.redhat.com/errata/RHSA-2026:80771 -

06 Oct 2026, 03:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:76042 -

05 Oct 2026, 11:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:75652 -
  • () https://access.redhat.com/errata/RHSA-2026:75654 -
  • () https://access.redhat.com/errata/RHSA-2026:75655 -
  • () https://access.redhat.com/errata/RHSA-2026:75657 -
  • () https://access.redhat.com/errata/RHSA-2026:75658 -
  • () https://access.redhat.com/errata/RHSA-2026:75659 -
  • () https://access.redhat.com/errata/RHSA-2026:75660 -

02 Oct 2026, 03:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:74674 -
  • () https://access.redhat.com/errata/RHSA-2026:74677 -
  • () https://access.redhat.com/errata/RHSA-2026:74678 -
  • () https://access.redhat.com/errata/RHSA-2026:74679 -
  • () https://access.redhat.com/errata/RHSA-2026:74681 -
  • () https://access.redhat.com/errata/RHSA-2026:74683 -
  • () https://access.redhat.com/errata/RHSA-2026:74685 -
  • () https://access.redhat.com/errata/RHSA-2026:74687 -
  • () https://access.redhat.com/errata/RHSA-2026:74688 -
  • () https://access.redhat.com/errata/RHSA-2026:74771 -

01 Oct 2026, 18:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:74458 -
  • () https://access.redhat.com/errata/RHSA-2026:74459 -
  • () https://access.redhat.com/errata/RHSA-2026:74460 -
  • () https://access.redhat.com/errata/RHSA-2026:74461 -
  • () https://access.redhat.com/errata/RHSA-2026:74462 -
  • () https://access.redhat.com/errata/RHSA-2026:74463 -

30 Sep 2026, 17:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:73909 -
  • () https://access.redhat.com/errata/RHSA-2026:73929 -
  • () https://access.redhat.com/errata/RHSA-2026:73930 -
  • () https://access.redhat.com/errata/RHSA-2026:73959 -
  • () https://access.redhat.com/errata/RHSA-2026:73960 -
  • () https://access.redhat.com/errata/RHSA-2026:73961 -
  • () https://access.redhat.com/errata/RHSA-2026:73962 -

30 Sep 2026, 11:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:73859 -

29 Sep 2026, 01:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:72502 -

28 Sep 2026, 15:17

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:72470 -
  • () https://access.redhat.com/errata/RHSA-2026:72475 -
  • () https://access.redhat.com/errata/RHSA-2026:72476 -

28 Sep 2026, 11:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:72399 -

28 Sep 2026, 08:16

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2026:72394 -
  • () https://access.redhat.com/errata/RHSA-2026:72395 -

Information

Published : 2026-07-20 12:17

Updated : 2026-10-30 08:16


NVD link : CVE-2026-15588

Mitre link : CVE-2026-15588

CVE.ORG link : CVE-2026-15588


JSON object : View

Products Affected

No product.

CWE
CWE-770

Allocation of Resources Without Limits or Throttling