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CVE-2021-43540

🗓️ 08 Dec 2021 00:00:00Reported by ubuntu.comType

WebExtension permissions vulnerability in Firefox < 9

Reporter	Title	Published	Views	Family All 27
Prion	Code injection	8 Dec 202122:15	–	prion
CNVD	Mozilla Firefox ESR input validation error vulnerability	10 Dec 202100:00	–	cnvd
NVD	CVE-2021-43540	8 Dec 202122:15	–	nvd
Veracode	Denial Of Service (DoS)	12 Dec 202106:15	–	veracode
Debian CVE	CVE-2021-43540	8 Dec 202122:15	–	debiancve
Cvelist	CVE-2021-43540	8 Dec 202121:20	–	cvelist
CVE	CVE-2021-43540	8 Dec 202122:15	–	cve
AlpineLinux	CVE-2021-43540	8 Dec 202122:15	–	alpinelinux
Tenable Nessus	Ubuntu 18.04 LTS / 20.04 LTS : Firefox regressions (USN-5186-2)	20 Dec 202100:00	–	nessus
Tenable Nessus	Ubuntu 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-5186-1)	10 Dec 202100:00	–	nessus

Source	Link
mozilla	www.mozilla.org/en-US/security/advisories/mfsa2021-52/
ubuntu	www.ubuntu.com/security/notices/USN-5186-1
cve	www.cve.org/CVERecord
nvd	www.nvd.nist.gov/vuln/detail/CVE-2021-43540
launchpad	www.launchpad.net/bugs/cve/CVE-2021-43540
security-tracker	www.security-tracker.debian.org/tracker/CVE-2021-43540

OS	OS Version	Architecture	Package	Package Version	Filename
ubuntu	18.04	noarch	firefox	95.0+build1-0ubuntu0.18.04.1	UNKNOWN
ubuntu	20.04	noarch	firefox	95.0+build1-0ubuntu0.20.04.1	UNKNOWN
ubuntu	21.04	noarch	firefox	95.0+build1-0ubuntu0.21.04.1	UNKNOWN
ubuntu	21.10	noarch	firefox	95.0+build1-0ubuntu0.21.10.1	UNKNOWN
ubuntu	22.04	noarch	firefox	95.0+build1-0ubuntu1	UNKNOWN
ubuntu	22.10	noarch	firefox	95.0+build1-0ubuntu1	UNKNOWN
ubuntu	23.04	noarch	firefox	95.0+build1-0ubuntu1	UNKNOWN

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08 Dec 2021 00:00Current

2.6Low risk

Vulners AI Score2.6

CVSS24.3

CVSS36.5

EPSS0.001