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Vulnerability details: VCID-snbc-j4e3-uff1
Vulnerability ID VCID-snbc-j4e3-uff1
Aliases CVE-2023-4582
Summary Multiple vulnerabilities have been discovered in Mozilla Thunderbird, the worst of which could lead to remote code execution.
Status Published
Exploitability None
Weighted Severity None
Risk None
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-2023-4582.json
epss 0.00718 https://api.first.org/data/v1/epss?cve=CVE-2023-4582
epss 0.00798 https://api.first.org/data/v1/epss?cve=CVE-2023-4582
epss 0.00798 https://api.first.org/data/v1/epss?cve=CVE-2023-4582
epss 0.00798 https://api.first.org/data/v1/epss?cve=CVE-2023-4582
epss 0.00798 https://api.first.org/data/v1/epss?cve=CVE-2023-4582
epss 0.00798 https://api.first.org/data/v1/epss?cve=CVE-2023-4582
epss 0.00798 https://api.first.org/data/v1/epss?cve=CVE-2023-4582
epss 0.00798 https://api.first.org/data/v1/epss?cve=CVE-2023-4582
epss 0.00798 https://api.first.org/data/v1/epss?cve=CVE-2023-4582
epss 0.00798 https://api.first.org/data/v1/epss?cve=CVE-2023-4582
epss 0.00798 https://api.first.org/data/v1/epss?cve=CVE-2023-4582
cvssv3.1 8.8 https://bugzilla.mozilla.org/show_bug.cgi?id=1773874
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1773874
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2023-34
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2023-36
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2023-38
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2023-34/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2023-34/
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2023-36/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2023-36/
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2023-38/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2023-38/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-4582.json
https://api.first.org/data/v1/epss?cve=CVE-2023-4582
2236081 https://bugzilla.redhat.com/show_bug.cgi?id=2236081
GLSA-202402-25 https://security.gentoo.org/glsa/202402-25
mfsa2023-34 https://www.mozilla.org/en-US/security/advisories/mfsa2023-34
mfsa2023-34 https://www.mozilla.org/security/advisories/mfsa2023-34/
mfsa2023-36 https://www.mozilla.org/en-US/security/advisories/mfsa2023-36
mfsa2023-36 https://www.mozilla.org/security/advisories/mfsa2023-36/
mfsa2023-38 https://www.mozilla.org/en-US/security/advisories/mfsa2023-38
mfsa2023-38 https://www.mozilla.org/security/advisories/mfsa2023-38/
show_bug.cgi?id=1773874 https://bugzilla.mozilla.org/show_bug.cgi?id=1773874
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-2023-4582.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=1773874
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/2024-09-19T20:00:26Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1773874
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/mfsa2023-34/
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/2024-09-19T20:00:26Z/ Found at https://www.mozilla.org/security/advisories/mfsa2023-34/
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/mfsa2023-36/
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/2024-09-19T20:00:26Z/ Found at https://www.mozilla.org/security/advisories/mfsa2023-36/
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/mfsa2023-38/
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/2024-09-19T20:00:26Z/ Found at https://www.mozilla.org/security/advisories/mfsa2023-38/
Exploit Prediction Scoring System (EPSS)
Percentile 0.72395
EPSS Score 0.00718
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:04:39.967164+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202402-25 38.0.0