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Vulnerability details: VCID-9frw-jsb9-c7ge
Vulnerability ID VCID-9frw-jsb9-c7ge
Aliases CVE-2022-0566
Summary Multiple vulnerabilities have been found in Mozilla Thunderbird, 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-787 Out-of-bounds Write
System Score Found at
cvssv3 7.6 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-0566.json
epss 0.00194 https://api.first.org/data/v1/epss?cve=CVE-2022-0566
epss 0.00194 https://api.first.org/data/v1/epss?cve=CVE-2022-0566
epss 0.00194 https://api.first.org/data/v1/epss?cve=CVE-2022-0566
epss 0.00206 https://api.first.org/data/v1/epss?cve=CVE-2022-0566
epss 0.00206 https://api.first.org/data/v1/epss?cve=CVE-2022-0566
epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2022-0566
epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2022-0566
epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2022-0566
epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2022-0566
epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2022-0566
epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2022-0566
epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2022-0566
epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2022-0566
cvssv3.1 8.8 https://bugzilla.mozilla.org/show_bug.cgi?id=1753094
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1753094
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-07
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2022-07/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2022-07/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-0566.json
https://api.first.org/data/v1/epss?cve=CVE-2022-0566
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0566
2055591 https://bugzilla.redhat.com/show_bug.cgi?id=2055591
GLSA-202208-14 https://security.gentoo.org/glsa/202208-14
mfsa2022-07 https://www.mozilla.org/en-US/security/advisories/mfsa2022-07
mfsa2022-07 https://www.mozilla.org/security/advisories/mfsa2022-07/
RHSA-2022:0843 https://access.redhat.com/errata/RHSA-2022:0843
RHSA-2022:0845 https://access.redhat.com/errata/RHSA-2022:0845
RHSA-2022:0847 https://access.redhat.com/errata/RHSA-2022:0847
RHSA-2022:0850 https://access.redhat.com/errata/RHSA-2022:0850
RHSA-2022:0853 https://access.redhat.com/errata/RHSA-2022:0853
show_bug.cgi?id=1753094 https://bugzilla.mozilla.org/show_bug.cgi?id=1753094
USN-5345-1 https://usn.ubuntu.com/5345-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-0566.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
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1753094
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
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-04-16T15:36:53Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1753094
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2022-07/
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
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2025-04-16T15:36:53Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-07/
Exploit Prediction Scoring System (EPSS)
Percentile 0.41381
EPSS Score 0.00194
Published At April 16, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:58:34.393250+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202208-14 38.0.0