CVE-2026-58013

A flaw was found in GLib. A buffer over-read can occur in g_io_channel_read_line_backend() 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.
References
Link Resource
https://access.redhat.com/errata/RHSA-2026:49512
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-2026-58013 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2492248 Issue Tracking Third Party Advisory
https://gitlab.gnome.org/GNOME/glib/-/issues/3925 Exploit Issue Tracking Vendor Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:gnome:glib:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*

History

29 Oct 2026, 23:17

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 : 2026-06-30 13:19

Updated : 2026-10-29 23:17


NVD link : CVE-2026-58013

Mitre link : CVE-2026-58013

CVE.ORG link : CVE-2026-58013


JSON object : View

Products Affected

redhat

  • enterprise_linux

gnome

  • glib
CWE
CWE-126

Buffer Over-read