CVE-2026-40687
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 …
Published: 2026-04-30 · CVSS: 4.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7