Bug 2019630 (CVE-2021-43534) - CVE-2021-43534 Mozilla: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3
Summary: CVE-2021-43534 Mozilla: Memory safety bugs fixed in Firefox 94 and Firefox ES...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-43534
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2019237 2019238 2019239 2019240 2019241 2019242 2019243 2019244 2019245 2019246 2019247 2019248 2019249 2019250 2019251 2019254 2019255 2019256 2019257 2019258 2019259 2019260 2019362 2019363
Blocks: 2019235
TreeView+ depends on / blocked
 
Reported: 2021-11-03 00:44 UTC by Doran Moppert
Modified: 2024-02-15 13:33 UTC (History)
5 users (show)

Fixed In Version: firefox 91.3, thunderbird 91.3
Doc Type: If docs needed, set a value
Doc Text:
The Mozilla Foundation Security Advisory describes this flaw as: Memory safety bugs present in Firefox 93 and Firefox ESR 91.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code
Clone Of:
Environment:
Last Closed: 2021-11-03 20:08:14 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2021:4116 0 None None None 2021-11-03 16:03:36 UTC
Red Hat Product Errata RHSA-2021:4123 0 None None None 2021-11-03 19:42:04 UTC
Red Hat Product Errata RHSA-2021:4130 0 None None None 2021-11-04 16:57:28 UTC
Red Hat Product Errata RHSA-2021:4132 0 None None None 2021-11-04 16:55:43 UTC
Red Hat Product Errata RHSA-2021:4133 0 None None None 2021-11-04 16:45:02 UTC
Red Hat Product Errata RHSA-2021:4134 0 None None None 2021-11-04 17:27:35 UTC
Red Hat Product Errata RHSA-2021:4605 0 None None None 2021-11-10 10:36:09 UTC
Red Hat Product Errata RHSA-2021:4607 0 None None None 2021-11-10 09:55:02 UTC

Description Doran Moppert 2021-11-03 00:44:57 UTC 
Mozilla developers and community members Christian Holler, Valentin Gosu, and Andrew McCreight reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2021-49/#MOZ-2021-0007
Comment 1 errata-xmlrpc 2021-11-03 16:03:35 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2021:4116 https://access.redhat.com/errata/RHSA-2021:4116
Comment 2 errata-xmlrpc 2021-11-03 19:42:03 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:4123 https://access.redhat.com/errata/RHSA-2021:4123
Comment 3 errata-xmlrpc 2021-11-04 16:45:01 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2021:4133 https://access.redhat.com/errata/RHSA-2021:4133
Comment 4 errata-xmlrpc 2021-11-04 16:55:41 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2021:4132 https://access.redhat.com/errata/RHSA-2021:4132
Comment 5 errata-xmlrpc 2021-11-04 16:57:27 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:4130 https://access.redhat.com/errata/RHSA-2021:4130
Comment 6 errata-xmlrpc 2021-11-04 17:27:33 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2021:4134 https://access.redhat.com/errata/RHSA-2021:4134
Comment 8 errata-xmlrpc 2021-11-10 09:55:01 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2021:4607 https://access.redhat.com/errata/RHSA-2021:4607
Comment 9 errata-xmlrpc 2021-11-10 10:36:08 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2021:4605 https://access.redhat.com/errata/RHSA-2021:4605
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