Note: This bug is displayed in read-only format because the product is no longer active in Red Hat Bugzilla.

RHEL Engineering is moving the tracking of its product development work on RHEL 6 through RHEL 9 to Red Hat Jira (issues.redhat.com). If you're a Red Hat customer, please continue to file support cases via the Red Hat customer portal. If you're not, please head to the "RHEL project" in Red Hat Jira and file new tickets here. Individual Bugzilla bugs in the statuses "NEW", "ASSIGNED", and "POST" are being migrated throughout September 2023. Bugs of Red Hat partners with an assigned Engineering Partner Manager (EPM) are migrated in late September as per pre-agreed dates. Bugs against components "kernel", "kernel-rt", and "kpatch" are only migrated if still in "NEW" or "ASSIGNED". If you cannot log in to RH Jira, please consult article #7032570. That failing, please send an e-mail to the RH Jira admins at rh-issues@redhat.com to troubleshoot your issue as a user management inquiry. The email creates a ServiceNow ticket with Red Hat. Individual Bugzilla bugs that are migrated will be moved to status "CLOSED", resolution "MIGRATED", and set with "MigratedToJIRA" in "Keywords". The link to the successor Jira issue will be found under "Links", have a little "two-footprint" icon next to it, and direct you to the "RHEL project" in Red Hat Jira (issue links are of type "https://issues.redhat.com/browse/RHEL-XXXX", where "X" is a digit). This same link will be available in a blue banner at the top of the page informing you that that bug has been migrated.

Bug 1397448

Summary:	Kerberos authentication hangs the whole browser
Product:	Red Hat Enterprise Linux 7	Reporter:	Don Pellegrino <don>
Component:	firefox	Assignee:	Jan Horak <jhorak>
Status:	CLOSED CURRENTRELEASE	QA Contact:	Desktop QE <desktop-qa-list>
Severity:	urgent	Docs Contact:
Priority:	unspecified
Version:	7.3	CC:	don
Target Milestone:	rc
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-03-16 14:21:31 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Don Pellegrino 2016-11-22 14:37:07 UTC

Description of problem:

When navigating to a site hosted on Microsoft IIS that uses Kerberos authentication, the Firefox browser may hang indefinitely leading to loss of user data in other tabs.

Version-Release number of selected component (if applicable):

45.5.0

How reproducible:

Consistently reproducible in an test environment with Microsoft IIS hosting a site using Kerberos authentication. RHEL 7.3 with Firefox client having an active ticket via kinit in place. However, some sites work and some lead to a hang. Root cause is still undetermined.

Steps to Reproduce:
1. Run kinit to establish a Kerberos ticket and verify with klist
2. Navigate to a Microsoft IIS hosted site with Kerberos authentication in Firefox.
3. Observe that all of Firefox become unresponsive.

Additional info:

This behavior appears to be described in upstream bug https://bugzilla.mozilla.org/show_bug.cgi?id=1014061

Comment 2 Don Pellegrino 2016-12-05 14:59:23 UTC

It looks like the upstream bug is fixed in Firefox 49 as per the upstream bug report. Therefore, it is a question as to whether the fix is important enough to back-port to Firefox ESR and flow into RHEL.

Alternatively, Bug 1399658 represents another approach to getting upstream Firefox code available in RHEL.

Comment 3 Jan Horak 2017-03-16 14:21:31 UTC

Since we have rebased to Firefox 52 in RHEL 7.3 I think this issue should be resolved. Closing as current release. If you have different experience, do not hesitate to reopen this bug.