CVE-2026-103500
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mozilla | Thunderbird | 140.17 <= 140.* | unaffected |
| Mozilla | Thunderbird | 153.4 <= 153.* | unaffected |
| Mozilla | Thunderbird | 157 <= * | unaffected |
Weaknesses
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2070267
- https://www.mozilla.org/security/advisories/mfsa2026-101/
- https://www.mozilla.org/security/advisories/mfsa2026-102/
- https://www.mozilla.org/security/advisories/mfsa2026-103/
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