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 | Thunderbird | affected |
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No vendor fix or workaround currently provided.
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Tracking
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Wed, 30 Sep 2026 20:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-122 |
Wed, 30 Sep 2026 17:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | An attacker could cause a heap buffer overflow by getting a user to open an email that is greater than or equal to 2GB in size. This vulnerability was fixed in Thunderbird 157. | An attacker could cause a heap buffer overflow by getting a user to open an email that is greater than or equal to 2GB in size. This vulnerability was fixed in Thunderbird 157, Thunderbird 140.17, and Thunderbird 153.4. |
| References |
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Wed, 30 Sep 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | An attacker could cause a heap buffer overflow by getting a user to open an email that is greater than or equal to 2GB in size. This vulnerability was fixed in Thunderbird 157. | |
| Title | Heap buffer overflow opening large email | |
| References |
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Subscriptions
No data.
MITRE
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-09-30T17:19:56.134Z
Reserved: 2026-09-30T17:15:06.146Z
Link: CVE-2026-103500
Vulnrichment
No data.
NVD
Status : Awaiting Analysis
Published: 2026-09-30T18:18:18.120
Modified: 2026-09-30T19:05:23.307
Link: CVE-2026-103500
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-09-30T20:30:18Z