Analysis and contextual insights are available on OpenCVE Cloud.
No solution or workaround provided in the CVE record.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
Sign in to view the affected projects.
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-4750-1 | firefox-esr security update |
Debian DLA |
DLA-4754-1 | thunderbird security update |
Debian DSA |
DSA-6451-1 | firefox-esr security update |
Debian DSA |
DSA-6461-1 | thunderbird security update |
Fri, 21 Aug 2026 20:30:00 +0200
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-200 |
Wed, 19 Aug 2026 18:45:00 +0200
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla thunderbird
|
|
| CPEs | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |
|
| Vendors & Products |
Mozilla thunderbird
|
Wed, 19 Aug 2026 15:30:00 +0200
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-346 | |
| Metrics |
cvssV3_1
|
ssvc
|
Wed, 19 Aug 2026 02:15:00 +0200
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-1100 | |
| References |
| |
| Metrics |
threat_severity
|
cvssV3_1
|
Tue, 18 Aug 2026 21:00:00 +0200
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Site isolation issue in the Networking: Cookies component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, and Firefox ESR 153.1. | Site isolation issue in the Networking: Cookies component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1. |
| References |
|
Tue, 18 Aug 2026 17:00:00 +0200
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla
Mozilla firefox |
|
| Vendors & Products |
Mozilla
Mozilla firefox |
Tue, 18 Aug 2026 16:15:00 +0200
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-200 |
Tue, 18 Aug 2026 14:45:00 +0200
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Site isolation issue in the Networking: Cookies component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, and Firefox ESR 153.1. | |
| Title | Site isolation issue in the Networking: Cookies component | |
| References |
|
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-08-19T12:52:57.196Z
Reserved: 2026-08-17T11:58:26.320Z
Link: CVE-2026-74962
Updated: 2026-08-19T12:51:49.083Z
Status : Analyzed
Published: 2026-08-18T13:17:33.430
Modified: 2026-08-19T16:38:05.230
Link: CVE-2026-74962
OpenCVE Enrichment
Updated: 2026-08-21T22:00:13Z
Debian DLA
Debian DSA