Debian/unbound: high 7.5
In Unbound 1.9.0 up to and including 1.25.1, when a DNSCrypt query is received over TCP, the routine that encrypts the reply in place fails to bound the reply length against the destination buffer siz
Action: Upgrade unbound to 1.26.1-0+deb13u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.26.1-0+deb13u1 | - |
Fixed versions
| 1.26.1-0+deb13u1 |
Sources
- osv: DEBIAN-CVE-2026-40691#Debian:13/unbound
- https://security-tracker.debian.org/tracker/CVE-2026-40691
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