Description
In Exim before 4.99.2, when the SPA authentication driver is used with an adversarial SPA resource, there can be an out-of-bounds write that crashes the connection instance, or erroneous data processing that divulges data from uninitialized heap memory.
CVSS 4.8EPSS 0.373%Risk 0.5
View source- Published
- 2026-04-30 22:16:25
- Affected versions
- <4.99.2
- Type
- Core software
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L