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Vulnerability details: VCID-hn17-6nvj-9qfw
Vulnerability ID VCID-hn17-6nvj-9qfw
Aliases CVE-2022-22738
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-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-22738.json
epss 0.0051 https://api.first.org/data/v1/epss?cve=CVE-2022-22738
epss 0.0051 https://api.first.org/data/v1/epss?cve=CVE-2022-22738
epss 0.0051 https://api.first.org/data/v1/epss?cve=CVE-2022-22738
epss 0.0051 https://api.first.org/data/v1/epss?cve=CVE-2022-22738
epss 0.0051 https://api.first.org/data/v1/epss?cve=CVE-2022-22738
epss 0.0051 https://api.first.org/data/v1/epss?cve=CVE-2022-22738
epss 0.0051 https://api.first.org/data/v1/epss?cve=CVE-2022-22738
epss 0.0051 https://api.first.org/data/v1/epss?cve=CVE-2022-22738
epss 0.0051 https://api.first.org/data/v1/epss?cve=CVE-2022-22738
cvssv3.1 8.8 https://bugzilla.mozilla.org/show_bug.cgi?id=1742382
ssvc Track* https://bugzilla.mozilla.org/show_bug.cgi?id=1742382
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-01
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-02
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-03
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2022-01/
ssvc Track* https://www.mozilla.org/security/advisories/mfsa2022-01/
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2022-02/
ssvc Track* https://www.mozilla.org/security/advisories/mfsa2022-02/
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2022-03/
ssvc Track* https://www.mozilla.org/security/advisories/mfsa2022-03/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-22738.json
https://api.first.org/data/v1/epss?cve=CVE-2022-22738
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4140
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22737
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22738
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22739
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22740
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22741
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22742
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22743
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22745
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22747
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22748
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22751
2039566 https://bugzilla.redhat.com/show_bug.cgi?id=2039566
GLSA-202202-03 https://security.gentoo.org/glsa/202202-03
GLSA-202208-14 https://security.gentoo.org/glsa/202208-14
mfsa2022-01 https://www.mozilla.org/en-US/security/advisories/mfsa2022-01
mfsa2022-01 https://www.mozilla.org/security/advisories/mfsa2022-01/
mfsa2022-02 https://www.mozilla.org/en-US/security/advisories/mfsa2022-02
mfsa2022-02 https://www.mozilla.org/security/advisories/mfsa2022-02/
mfsa2022-03 https://www.mozilla.org/en-US/security/advisories/mfsa2022-03
mfsa2022-03 https://www.mozilla.org/security/advisories/mfsa2022-03/
RHSA-2022:0123 https://access.redhat.com/errata/RHSA-2022:0123
RHSA-2022:0124 https://access.redhat.com/errata/RHSA-2022:0124
RHSA-2022:0125 https://access.redhat.com/errata/RHSA-2022:0125
RHSA-2022:0126 https://access.redhat.com/errata/RHSA-2022:0126
RHSA-2022:0127 https://access.redhat.com/errata/RHSA-2022:0127
RHSA-2022:0128 https://access.redhat.com/errata/RHSA-2022:0128
RHSA-2022:0129 https://access.redhat.com/errata/RHSA-2022:0129
RHSA-2022:0130 https://access.redhat.com/errata/RHSA-2022:0130
RHSA-2022:0131 https://access.redhat.com/errata/RHSA-2022:0131
RHSA-2022:0132 https://access.redhat.com/errata/RHSA-2022:0132
show_bug.cgi?id=1742382 https://bugzilla.mozilla.org/show_bug.cgi?id=1742382
USN-5229-1 https://usn.ubuntu.com/5229-1/
USN-5246-1 https://usn.ubuntu.com/5246-1/
USN-5248-1 https://usn.ubuntu.com/5248-1/
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-2022-22738.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=1742382
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:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-04-16T15:06:50Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1742382
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/mfsa2022-01/
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:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-04-16T15:06:50Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-01/
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/mfsa2022-02/
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:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-04-16T15:06:50Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-02/
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/mfsa2022-03/
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:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-04-16T15:06:50Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-03/
Exploit Prediction Scoring System (EPSS)
Percentile 0.66368
EPSS Score 0.0051
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:58:34.568938+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202208-14 38.0.0