CVE-2026-40210

EUVD-2026-39349
An out-of-bounds read might happen when SetMacAddrAction is used, potentially resulting in uninitialized memory being sent over the network or a crash.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
OXCNA
4.8 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
powerdnsdnsdist
1.9.0 ≤
𝑥
< 1.9.15
CNA
powerdnsdnsdist
2.0.0 ≤
𝑥
< 2.0.7
CNA
Debian logo
Debian Releases
Debian Product
Codename
dnsdist
bookworm
vulnerable
bullseye
vulnerable
forky
vulnerable
sid
vulnerable
trixie
vulnerable
trixie (security)
1.9.15-0+deb13u1
fixed
Common Weakness Enumeration
References
https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-09.html