Bug 1904515 (CVE-2020-16042) - CVE-2020-16042 chromium-browser: Uninitialized Use in V8
Summary: CVE-2020-16042 chromium-browser: Uninitialized Use in V8
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2020-16042
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: 1904517 1904518 1906545 1906546 1906547 1906548 1906549 1906550 1906553 1906554 1906555 1906556 1906557 1906558
Blocks: 1906543
TreeView+ depends on / blocked
 
Reported: 2020-12-04 16:31 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-02-16 18:46 UTC (History)
8 users (show)

Fixed In Version: chromium-browser 87.0.4280.88, firefox 78.6, thunderbird 78.6
Doc Type: If docs needed, set a value
Doc Text:
The Mozilla Foundation Security Advisory describes this flaw as: When a BigInt was right-shifted the backing store was not properly cleared, allowing uninitialized memory to be read.
Clone Of:
Environment:
Last Closed: 2020-12-04 23:03:23 UTC


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:5561 0 None None None 2020-12-16 08:21:57 UTC
Red Hat Product Errata RHSA-2020:5562 0 None None None 2020-12-16 07:54:51 UTC
Red Hat Product Errata RHSA-2020:5563 0 None None None 2020-12-16 08:01:54 UTC
Red Hat Product Errata RHSA-2020:5564 0 None None None 2020-12-16 07:52:27 UTC
Red Hat Product Errata RHSA-2020:5565 0 None None None 2020-12-16 08:14:26 UTC
Red Hat Product Errata RHSA-2020:5618 0 None None None 2020-12-17 15:08:49 UTC
Red Hat Product Errata RHSA-2020:5622 0 None None None 2020-12-17 16:18:27 UTC
Red Hat Product Errata RHSA-2020:5624 0 None None None 2020-12-17 16:22:35 UTC
Red Hat Product Errata RHSA-2020:5644 0 None None None 2020-12-21 12:31:21 UTC
Red Hat Product Errata RHSA-2020:5645 0 None None None 2020-12-21 13:35:41 UTC

Description Guilherme de Almeida Suckevicz 2020-12-04 16:31:48 UTC
An uninitialized use flaw was found in the V8 component of the Chromium browser.

Upstream bug(s):

https://code.google.com/p/chromium/issues/detail?id=1151890

External References:

https://chromereleases.googleblog.com/2020/12/stable-channel-update-for-desktop.html

Comment 1 Guilherme de Almeida Suckevicz 2020-12-04 16:32:40 UTC
Created chromium tracking bugs for this issue:

Affects: epel-all [bug 1904518]
Affects: fedora-all [bug 1904517]

Comment 2 Product Security DevOps Team 2020-12-04 23:03:23 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.

Comment 3 errata-xmlrpc 2020-12-16 07:52:27 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2020:5564 https://access.redhat.com/errata/RHSA-2020:5564

Comment 4 errata-xmlrpc 2020-12-16 07:54:49 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:5562 https://access.redhat.com/errata/RHSA-2020:5562

Comment 5 errata-xmlrpc 2020-12-16 08:01:53 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2020:5563 https://access.redhat.com/errata/RHSA-2020:5563

Comment 6 errata-xmlrpc 2020-12-16 08:14:22 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Via RHSA-2020:5565 https://access.redhat.com/errata/RHSA-2020:5565

Comment 7 errata-xmlrpc 2020-12-16 08:21:57 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:5561 https://access.redhat.com/errata/RHSA-2020:5561

Comment 8 errata-xmlrpc 2020-12-17 15:08:48 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:5618 https://access.redhat.com/errata/RHSA-2020:5618

Comment 9 errata-xmlrpc 2020-12-17 16:18:56 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Extended Update Support

Via RHSA-2020:5622 https://access.redhat.com/errata/RHSA-2020:5622

Comment 10 errata-xmlrpc 2020-12-17 16:22:32 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:5624 https://access.redhat.com/errata/RHSA-2020:5624

Comment 11 errata-xmlrpc 2020-12-21 12:31:20 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2020:5644 https://access.redhat.com/errata/RHSA-2020:5644

Comment 12 errata-xmlrpc 2020-12-21 13:35:40 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Via RHSA-2020:5645 https://access.redhat.com/errata/RHSA-2020:5645


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