Debian/exim4: critical 9.8
In Exim before 4.99.2, when JSON lookup is enabled, an out-of-bounds heap write can occur when a JSON operator encounters malformed JSON in an untrusted header, because of an incorrect implementation
Action: Upgrade exim4 to 4.98.2-1+deb13u2 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.98.2-1+deb13u2 | - |
Fixed versions
| 4.98.2-1+deb13u2 |
Sources
- osv: DEBIAN-CVE-2026-40685#Debian:13/exim4
- https://security-tracker.debian.org/tracker/CVE-2026-40685
published · modified · JSON