Analysis
Analysis and contextual insights are available on OpenCVE Cloud.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox | affected |
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| Mozilla | Thunderbird | affected |
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| Vendor | Product | Confidence | Versions | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox | 100% |
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No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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| Source | ID | Title |
|---|---|---|
 Debian DSA |
DSA-6533-1 | firefox-esr security update |
Wed, 30 Sep 2026 17:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Undefined behavior in the DOM: Streams component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17. | Undefined behavior in the DOM: Streams component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17. |
| References |
|
Wed, 30 Sep 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Undefined behavior in the DOM: Streams component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17. | Undefined behavior in the DOM: Streams component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17. |
| References |
|
Wed, 30 Sep 2026 07:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-665 |
Wed, 30 Sep 2026 04:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-682 CWE-787 |
Tue, 29 Sep 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla
Mozilla firefox |
|
| Vendors & Products |
Mozilla
Mozilla firefox |
Tue, 29 Sep 2026 17:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-682 CWE-787 |
Tue, 29 Sep 2026 13:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Undefined behavior in the DOM: Streams component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17. | |
| Title | Undefined behavior in the DOM: Streams component | |
| References |
|
MITRE
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-09-30T17:20:09.027Z
Reserved: 2026-09-26T19:15:27.479Z
Link: CVE-2026-100771
Vulnrichment
No data.
NVD
Status : Awaiting Analysis
Published: 2026-09-29T13:17:41.353
Modified: 2026-09-29T21:27:41.130
Link: CVE-2026-100771
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-09-30T07:00:15Z