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Vulnerability details: VCID-pst5-367g-h7cs
Vulnerability ID VCID-pst5-367g-h7cs
Aliases CVE-2024-8386
Summary Multiple vulnerabilities have been discovered in Mozilla Thunderbird, the worst of which could lead to remote code execution.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-358 Improperly Implemented Security Check for Standard
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-8386.json
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2024-8386
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2024-8386
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2024-8386
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2024-8386
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2024-8386
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2024-8386
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2024-8386
epss 0.00271 https://api.first.org/data/v1/epss?cve=CVE-2024-8386
cvssv3.1 6.1 https://bugzilla.mozilla.org/show_bug.cgi?id=1907032
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1907032
cvssv3.1 6.1 https://bugzilla.mozilla.org/show_bug.cgi?id=1909163
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1909163
cvssv3.1 6.1 https://bugzilla.mozilla.org/show_bug.cgi?id=1909529
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1909529
cvssv3.1 4.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2024-39
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2024-40
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2024-43
cvssv3.1 6.1 https://www.mozilla.org/security/advisories/mfsa2024-39/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2024-39/
cvssv3.1 6.1 https://www.mozilla.org/security/advisories/mfsa2024-40/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2024-40/
cvssv3.1 6.1 https://www.mozilla.org/security/advisories/mfsa2024-43/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2024-43/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-8386.json
https://api.first.org/data/v1/epss?cve=CVE-2024-8386
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2309432 https://bugzilla.redhat.com/show_bug.cgi?id=2309432
GLSA-202412-04 https://security.gentoo.org/glsa/202412-04
GLSA-202412-06 https://security.gentoo.org/glsa/202412-06
GLSA-202412-13 https://security.gentoo.org/glsa/202412-13
mfsa2024-39 https://www.mozilla.org/en-US/security/advisories/mfsa2024-39
mfsa2024-39 https://www.mozilla.org/security/advisories/mfsa2024-39/
mfsa2024-40 https://www.mozilla.org/en-US/security/advisories/mfsa2024-40
mfsa2024-40 https://www.mozilla.org/security/advisories/mfsa2024-40/
mfsa2024-43 https://www.mozilla.org/en-US/security/advisories/mfsa2024-43
mfsa2024-43 https://www.mozilla.org/security/advisories/mfsa2024-43/
RHSA-2024:6681 https://access.redhat.com/errata/RHSA-2024:6681
RHSA-2024:6682 https://access.redhat.com/errata/RHSA-2024:6682
RHSA-2024:6683 https://access.redhat.com/errata/RHSA-2024:6683
RHSA-2024:6684 https://access.redhat.com/errata/RHSA-2024:6684
RHSA-2024:6719 https://access.redhat.com/errata/RHSA-2024:6719
RHSA-2024:6720 https://access.redhat.com/errata/RHSA-2024:6720
RHSA-2024:6721 https://access.redhat.com/errata/RHSA-2024:6721
RHSA-2024:6722 https://access.redhat.com/errata/RHSA-2024:6722
RHSA-2024:6723 https://access.redhat.com/errata/RHSA-2024:6723
RHSA-2024:6782 https://access.redhat.com/errata/RHSA-2024:6782
RHSA-2024:6786 https://access.redhat.com/errata/RHSA-2024:6786
RHSA-2024:6816 https://access.redhat.com/errata/RHSA-2024:6816
RHSA-2024:6838 https://access.redhat.com/errata/RHSA-2024:6838
RHSA-2024:6839 https://access.redhat.com/errata/RHSA-2024:6839
RHSA-2024:6850 https://access.redhat.com/errata/RHSA-2024:6850
RHSA-2024:6891 https://access.redhat.com/errata/RHSA-2024:6891
RHSA-2024:6892 https://access.redhat.com/errata/RHSA-2024:6892
show_bug.cgi?id=1907032 https://bugzilla.mozilla.org/show_bug.cgi?id=1907032
show_bug.cgi?id=1909163 https://bugzilla.mozilla.org/show_bug.cgi?id=1909163
show_bug.cgi?id=1909529 https://bugzilla.mozilla.org/show_bug.cgi?id=1909529
USN-6992-1 https://usn.ubuntu.com/6992-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-8386.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:C/C:L/I:L/A:N Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1907032
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:P/P:M/B:A/M:M/D:T/2024-09-03T15:44:49Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1907032
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1909163
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:P/P:M/B:A/M:M/D:T/2024-09-03T15:44:49Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1909163
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1909529
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:P/P:M/B:A/M:M/D:T/2024-09-03T15:44:49Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1909529
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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:C/C:L/I:L/A:N Found at https://www.mozilla.org/security/advisories/mfsa2024-39/
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:P/P:M/B:A/M:M/D:T/2024-09-03T15:44:49Z/ Found at https://www.mozilla.org/security/advisories/mfsa2024-39/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://www.mozilla.org/security/advisories/mfsa2024-40/
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:P/P:M/B:A/M:M/D:T/2024-09-03T15:44:49Z/ Found at https://www.mozilla.org/security/advisories/mfsa2024-40/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://www.mozilla.org/security/advisories/mfsa2024-43/
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:P/P:M/B:A/M:M/D:T/2024-09-03T15:44:49Z/ Found at https://www.mozilla.org/security/advisories/mfsa2024-43/
Exploit Prediction Scoring System (EPSS)
Percentile 0.50543
EPSS Score 0.00271
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:01:01.234607+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202412-06 38.0.0