CVE-2026-8367

EUVD-2026-30042
aria2c accepts a server certificate with incorrect Extended Key Usage (EKU). If the attackers compromise a certificate (with the associated private key) issued for a different purpose, they may be able to reuse it for TLS server authentication.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.8 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 7.33%
Affected Products (NVD)
VendorProductVersion
aria2_projectaria2
𝑥
< 1.37.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
aria2
bookworm
postponed
bullseye
postponed
forky
vulnerable
sid
vulnerable
trixie
postponed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
aria2
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
trusty
needs-triage
xenial
needs-triage
Common Weakness Enumeration
References
https://www.tenable.com/security/research/tra-2026-38