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NVD Vulnerability Details :
CVE-2026-8092
Undergoing Analysis
More InfoOfficial Page
Source-security@mozilla.org
View Known Exploited Vulnerability (KEV) details
Published At-07 May, 2026 | 13:16
Updated At-08 May, 2026 | 15:17

Memory safety bugs present in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.1HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-125Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-416Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-787Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-125
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-416
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-787
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1806249%2C2021977%2C2022576%2C2022722%2C2024439%2C2027883%2C2029463%2C2030323%2C2032042%2C2032043%2C2033270%2C2033637%2C2034422%2C2034496%2C2035879%2C2036516security@mozilla.org
N/A
https://www.mozilla.org/security/advisories/mfsa2026-40/security@mozilla.org
N/A
https://www.mozilla.org/security/advisories/mfsa2026-41/security@mozilla.org
N/A
https://www.mozilla.org/security/advisories/mfsa2026-42/security@mozilla.org
N/A
https://www.mozilla.org/security/advisories/mfsa2026-43/security@mozilla.org
N/A
https://www.mozilla.org/security/advisories/mfsa2026-44/security@mozilla.org
N/A
Hyperlink: https://bugzilla.mozilla.org/buglist.cgi?bug_id=1806249%2C2021977%2C2022576%2C2022722%2C2024439%2C2027883%2C2029463%2C2030323%2C2032042%2C2032043%2C2033270%2C2033637%2C2034422%2C2034496%2C2035879%2C2036516
Source: security@mozilla.org
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-40/
Source: security@mozilla.org
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-41/
Source: security@mozilla.org
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-42/
Source: security@mozilla.org
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-43/
Source: security@mozilla.org
Resource: N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-44/
Source: security@mozilla.org
Resource: N/A
Change History
0Changes found
Details not found