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CVE-2021-23997

🗓️ 19 Apr 2021 00:00:00Reported by ubuntu.comType

Use-after-free vulnerability in Firefox font cach

Reporter	Title	Published	Views	Family All 33
Veracode	Arbitrary Code Execution	21 Apr 202118:13	–	veracode
AlpineLinux	CVE-2021-23997	24 Jun 202114:15	–	alpinelinux
Prion	Type confusion	24 Jun 202114:15	–	prion
Debian CVE	CVE-2021-23997	24 Jun 202114:15	–	debiancve
CVE	CVE-2021-23997	24 Jun 202114:15	–	cve
Cvelist	CVE-2021-23997	24 Jun 202113:25	–	cvelist
NVD	CVE-2021-23997	24 Jun 202114:15	–	nvd
ThreatPost	Mozilla Fixes Firefox Flaw That Allowed Spoofing of HTTPS Browser Padlock	20 Apr 202120:40	–	threatpost
OpenVAS	Mozilla Firefox Security Advisories (MFSA2021-13, MFSA2021-16) - Mac OS X	20 Apr 202100:00	–	openvas
OpenVAS	Mozilla Firefox Security Advisory (MFSA2021-16) - Linux	8 Nov 202100:00	–	openvas

Source	Link
mozilla	www.mozilla.org/en-US/security/advisories/mfsa2021-16/
ubuntu	www.ubuntu.com/security/notices/USN-4926-1
cve	www.cve.org/CVERecord
nvd	www.nvd.nist.gov/vuln/detail/CVE-2021-23997
launchpad	www.launchpad.net/bugs/cve/CVE-2021-23997
security-tracker	www.security-tracker.debian.org/tracker/CVE-2021-23997

OS	OS Version	Architecture	Package	Package Version	Filename
ubuntu	18.04	noarch	firefox	88.0+build2-0ubuntu0.18.04.2	UNKNOWN
ubuntu	20.04	noarch	firefox	88.0+build2-0ubuntu0.20.04.1	UNKNOWN
ubuntu	20.10	noarch	firefox	88.0+build2-0ubuntu0.20.10.1	UNKNOWN
ubuntu	21.04	noarch	firefox	88.0+build2-0ubuntu0.21.04.1	UNKNOWN
ubuntu	21.10	noarch	firefox	88.0.1+build1-0ubuntu2	UNKNOWN
ubuntu	22.04	noarch	firefox	88.0.1+build1-0ubuntu2	UNKNOWN
ubuntu	22.10	noarch	firefox	88.0.1+build1-0ubuntu2	UNKNOWN
ubuntu	23.04	noarch	firefox	88.0.1+build1-0ubuntu2	UNKNOWN
ubuntu	23.10	noarch	firefox	88.0.1+build1-0ubuntu2	UNKNOWN
ubuntu	24.04	noarch	firefox	88.0.1+build1-0ubuntu2	UNKNOWN

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19 Apr 2021 00:00Current

8.1High risk

Vulners AI Score8.1

CVSS26.8

CVSS38.8

EPSS0.002