Bug 1872538 (CVE-2020-12422)

Summary:	CVE-2020-12422 Mozilla: Integer overflow in nsJPEGEncoder::emptyOutputBuffer
Product:	[Other] Security Response	Reporter:	Doran Moppert <dmoppert>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	jhorak, stransky
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	firefox 78, thunderbird 78	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-08-26 07:17:41 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1870416, 1870417, 1870418, 1873379
Bug Blocks:	1870411

Description Doran Moppert 2020-08-26 02:58:57 UTC

In non-standard configurations, a JPEG image created by JavaScript could have caused an internal variable to overflow, resulting in an out of bounds write, memory corruption, and a potentially exploitable crash.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2020-24/#CVE-2020-12422

Comment 1 Doran Moppert 2020-08-26 02:59:01 UTC

Acknowledgments:

Name: the Mozilla project
Upstream: Ronald Crane

Comment 2 Product Security DevOps Team 2020-08-26 07:17:41 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-12422

Comment 3 errata-xmlrpc 2020-08-26 08:31:35 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Via RHSA-2020:3555 https://access.redhat.com/errata/RHSA-2020:3555

Comment 4 errata-xmlrpc 2020-08-26 08:46:34 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:3557 https://access.redhat.com/errata/RHSA-2020:3557

Comment 5 errata-xmlrpc 2020-08-26 10:09:42 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.1 Extended Update Support

Via RHSA-2020:3559 https://access.redhat.com/errata/RHSA-2020:3559

Comment 7 errata-xmlrpc 2020-09-30 06:35:22 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:4080 https://access.redhat.com/errata/RHSA-2020:4080