CVE-2021-29977

2021-07-1500:00:00

ubuntu.com

0.003 Low

EPSS

Percentile

65.2%

JSON

Mozilla developers reported memory safety bugs present in Firefox 89. 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. This vulnerability affects Firefox < 90.

Notes

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

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 90.0+build1-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchfirefox< 90.0+build1-0ubuntu0.20.04.1UNKNOWN
ubuntu20.10noarchfirefox< 90.0+build1-0ubuntu0.20.10.1UNKNOWN
ubuntu21.04noarchfirefox< 90.0+build1-0ubuntu0.21.04.1UNKNOWN
ubuntu21.10noarchfirefox< 90.0+build1-0ubuntu1UNKNOWN
ubuntu22.04noarchfirefox< 90.0+build1-0ubuntu1UNKNOWN
ubuntu22.10noarchfirefox< 90.0+build1-0ubuntu1UNKNOWN
ubuntu23.04noarchfirefox< 90.0+build1-0ubuntu1UNKNOWN
ubuntu23.10noarchfirefox< 90.0+build1-0ubuntu1UNKNOWN
ubuntu24.04noarchfirefox< 90.0+build1-0ubuntu1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	firefox	< 90.0+build1-0ubuntu0.18.04.1	UNKNOWN
ubuntu	20.04	noarch	firefox	< 90.0+build1-0ubuntu0.20.04.1	UNKNOWN
ubuntu	20.10	noarch	firefox	< 90.0+build1-0ubuntu0.20.10.1	UNKNOWN
ubuntu	21.04	noarch	firefox	< 90.0+build1-0ubuntu0.21.04.1	UNKNOWN
ubuntu	21.10	noarch	firefox	< 90.0+build1-0ubuntu1	UNKNOWN
ubuntu	22.04	noarch	firefox	< 90.0+build1-0ubuntu1	UNKNOWN
ubuntu	22.10	noarch	firefox	< 90.0+build1-0ubuntu1	UNKNOWN
ubuntu	23.04	noarch	firefox	< 90.0+build1-0ubuntu1	UNKNOWN
ubuntu	23.10	noarch	firefox	< 90.0+build1-0ubuntu1	UNKNOWN
ubuntu	24.04	noarch	firefox	< 90.0+build1-0ubuntu1	UNKNOWN