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Vulnerability details: VCID-pn68-e9g7-qbf1
Vulnerability ID VCID-pn68-e9g7-qbf1
Aliases CVE-2025-6426
Summary The executable file warning did not warn users before opening files with the terminal extension. *This bug only affects Thunderbird for macOS. Other versions of Thunderbird are unaffected.*
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-6426.json
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2025-6426
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2025-6426
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2025-6426
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2025-6426
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2025-6426
epss 0.00046 https://api.first.org/data/v1/epss?cve=CVE-2025-6426
epss 0.00046 https://api.first.org/data/v1/epss?cve=CVE-2025-6426
epss 0.00046 https://api.first.org/data/v1/epss?cve=CVE-2025-6426
epss 0.00046 https://api.first.org/data/v1/epss?cve=CVE-2025-6426
epss 0.00046 https://api.first.org/data/v1/epss?cve=CVE-2025-6426
epss 0.00138 https://api.first.org/data/v1/epss?cve=CVE-2025-6426
epss 0.00138 https://api.first.org/data/v1/epss?cve=CVE-2025-6426
epss 0.00138 https://api.first.org/data/v1/epss?cve=CVE-2025-6426
epss 0.00138 https://api.first.org/data/v1/epss?cve=CVE-2025-6426
cvssv3.1 8.8 https://bugzilla.mozilla.org/show_bug.cgi?id=1964385
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1964385
cvssv3.1 8.2 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2025-51
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2025-53
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2025-54
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2025-55
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2025-51/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-51/
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2025-53/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-53/
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2025-54/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-54/
cvssv3.1 8.8 https://www.mozilla.org/security/advisories/mfsa2025-55/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-55/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-6426.json
https://api.first.org/data/v1/epss?cve=CVE-2025-6426
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2374560 https://bugzilla.redhat.com/show_bug.cgi?id=2374560
mfsa2025-51 https://www.mozilla.org/en-US/security/advisories/mfsa2025-51
mfsa2025-51 https://www.mozilla.org/security/advisories/mfsa2025-51/
mfsa2025-53 https://www.mozilla.org/en-US/security/advisories/mfsa2025-53
mfsa2025-53 https://www.mozilla.org/security/advisories/mfsa2025-53/
mfsa2025-54 https://www.mozilla.org/en-US/security/advisories/mfsa2025-54
mfsa2025-54 https://www.mozilla.org/security/advisories/mfsa2025-54/
mfsa2025-55 https://www.mozilla.org/en-US/security/advisories/mfsa2025-55
mfsa2025-55 https://www.mozilla.org/security/advisories/mfsa2025-55/
show_bug.cgi?id=1964385 https://bugzilla.mozilla.org/show_bug.cgi?id=1964385
USN-7663-1 https://usn.ubuntu.com/7663-1/
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-2025-6426.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=1964385
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/2025-06-25T14:21:30Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1964385
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L 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:U/C:H/I:H/A:H Found at https://www.mozilla.org/security/advisories/mfsa2025-51/
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/2025-06-25T14:21:30Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-51/
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/mfsa2025-53/
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/2025-06-25T14:21:30Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-53/
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/mfsa2025-54/
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/2025-06-25T14:21:30Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-54/
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/mfsa2025-55/
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/2025-06-25T14:21:30Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-55/
Exploit Prediction Scoring System (EPSS)
Percentile 0.12989
EPSS Score 0.00042
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:16:48.012435+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2025/mfsa2025-55.yml 38.0.0