7.5
High
CVE-2024-0743 An unchecked return value in TLS handshake code could have caused a potentially exploitable crash
Description
An unchecked return value in TLS handshake code could have caused a potentially exploitable crash. This vulnerability affects Firefox < 122, Firefox ESR < 115.9, and Thunderbird < 115.9.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 122 | earliest → < 122 | 122 |
| Firefox ESR 115.9 | earliest → < 115.9 | 115.9 |
| Thunderbird 115.9 | earliest → < 115.9 | 115.9 |
Other CVEs of Firefox
The 2221 CVEs of Firefox →
CVE-2026-120572
Incorrect boundary conditions in the Layout: Block and Inline component
8.8
High
CVE-2026-118027
Frame poisoning in the Layout component
9.1
Critical
CVE-2026-118024
Use-after-free in the Graphics: Text component
8.8
High
CVE-2026-118026
Invalid pointer in the JavaScript: GC component
8.8
High