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Vulnerability details: VCID-fsvy-jfhn-1ydz
Vulnerability ID VCID-fsvy-jfhn-1ydz
Aliases CVE-2020-12419
Summary Multiple vulnerabilities have been found in Mozilla Firefox, the worst of which could result in the arbitrary execution of code.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-12419.json
epss 0.00464 https://api.first.org/data/v1/epss?cve=CVE-2020-12419
epss 0.00464 https://api.first.org/data/v1/epss?cve=CVE-2020-12419
epss 0.00464 https://api.first.org/data/v1/epss?cve=CVE-2020-12419
epss 0.00464 https://api.first.org/data/v1/epss?cve=CVE-2020-12419
epss 0.00464 https://api.first.org/data/v1/epss?cve=CVE-2020-12419
epss 0.00464 https://api.first.org/data/v1/epss?cve=CVE-2020-12419
epss 0.00464 https://api.first.org/data/v1/epss?cve=CVE-2020-12419
epss 0.00464 https://api.first.org/data/v1/epss?cve=CVE-2020-12419
epss 0.00464 https://api.first.org/data/v1/epss?cve=CVE-2020-12419
epss 0.00464 https://api.first.org/data/v1/epss?cve=CVE-2020-12419
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-24
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-25
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-26
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-29
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-12419.json
https://api.first.org/data/v1/epss?cve=CVE-2020-12419
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12417
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12418
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12419
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12420
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12421
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15646
1853016 https://bugzilla.redhat.com/show_bug.cgi?id=1853016
GLSA-202007-09 https://security.gentoo.org/glsa/202007-09
GLSA-202007-10 https://security.gentoo.org/glsa/202007-10
mfsa2020-24 https://www.mozilla.org/en-US/security/advisories/mfsa2020-24
mfsa2020-25 https://www.mozilla.org/en-US/security/advisories/mfsa2020-25
mfsa2020-26 https://www.mozilla.org/en-US/security/advisories/mfsa2020-26
mfsa2020-29 https://www.mozilla.org/en-US/security/advisories/mfsa2020-29
RHSA-2020:2824 https://access.redhat.com/errata/RHSA-2020:2824
RHSA-2020:2825 https://access.redhat.com/errata/RHSA-2020:2825
RHSA-2020:2826 https://access.redhat.com/errata/RHSA-2020:2826
RHSA-2020:2827 https://access.redhat.com/errata/RHSA-2020:2827
RHSA-2020:2828 https://access.redhat.com/errata/RHSA-2020:2828
RHSA-2020:2906 https://access.redhat.com/errata/RHSA-2020:2906
RHSA-2020:2907 https://access.redhat.com/errata/RHSA-2020:2907
RHSA-2020:2966 https://access.redhat.com/errata/RHSA-2020:2966
RHSA-2020:3038 https://access.redhat.com/errata/RHSA-2020:3038
RHSA-2020:3046 https://access.redhat.com/errata/RHSA-2020:3046
USN-4408-1 https://usn.ubuntu.com/4408-1/
USN-4421-1 https://usn.ubuntu.com/4421-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-12419.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.64232
EPSS Score 0.00464
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:00:28.427553+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202007-10 38.0.0