CVE-2020-6822

Published: 7 April 2020

On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in <code>GMPDecodeData</code>. It is possible that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

Priority

CVSS 3 base score: 8.8

Status

Package	Release	Status
firefox Launchpad, Ubuntu, Debian	bionic	Released (75.0+build3-0ubuntu0.18.04.1)
	eoan	Released (75.0+build3-0ubuntu0.19.10.1)
	focal	Released (75.0+build3-0ubuntu1)
	groovy	Released (75.0+build3-0ubuntu1)
	hirsute	Released (75.0+build3-0ubuntu1)
	impish	Released (75.0+build3-0ubuntu1)
	jammy	Released (75.0+build3-0ubuntu1)
	precise	Does not exist
	trusty	Does not exist
	upstream	Released (75.0)
	xenial	Released (75.0+build3-0ubuntu0.16.04.1)
mozjs38 Launchpad, Ubuntu, Debian	bionic	Needs triage
	eoan	Does not exist
	focal	Does not exist
	groovy	Does not exist
	hirsute	Does not exist
	impish	Does not exist
	jammy	Does not exist
	precise	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist
mozjs52 Launchpad, Ubuntu, Debian	bionic	Needs triage
	eoan	Ignored (reached end-of-life)
	focal	Needs triage
	groovy	Ignored (reached end-of-life)
	hirsute	Does not exist
	impish	Does not exist
	jammy	Does not exist
	precise	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist
mozjs60 Launchpad, Ubuntu, Debian	bionic	Does not exist
	eoan	Ignored (reached end-of-life)
	focal	Does not exist
	groovy	Does not exist
	hirsute	Does not exist
	impish	Does not exist
	jammy	Does not exist
	precise	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist
mozjs68 Launchpad, Ubuntu, Debian	bionic	Does not exist
	eoan	Does not exist
	focal	Needs triage
	groovy	Ignored (reached end-of-life)
	hirsute	Does not exist
	impish	Does not exist
	jammy	Does not exist
	precise	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist
thunderbird Launchpad, Ubuntu, Debian	bionic	Released (1:68.7.0+build1-0ubuntu0.18.04.1)
	eoan	Released (1:68.7.0+build1-0ubuntu0.19.10.1)
	focal	Released (1:68.7.0+build1-0ubuntu1)
	groovy	Released (1:68.7.0+build1-0ubuntu1)
	hirsute	Released (1:68.7.0+build1-0ubuntu1)
	impish	Released (1:68.7.0+build1-0ubuntu1)
	jammy	Released (1:68.7.0+build1-0ubuntu1)
	precise	Does not exist
	trusty	Does not exist
	upstream	Released (68.7.0)
	xenial	Released (1:68.7.0+build1-0ubuntu0.16.04.2)

Notes

Author	Note
tyhicks	mozjs contains a copy of the SpiderMonkey JavaScript engine

References

Bugs

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