CVE-2026-94055

EUVD-2026-83613
Exim before 4.100.1, when certain non-default TLS settings are used with GnuTLS, has a use-after-free.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
3.7 LOW
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 21.28%
Affected Products (NVD)
VendorProductVersion
eximexim
𝑥
< 4.100.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
exim4
bookworm
4.96-15+deb12u10
fixed
bookworm (security)
4.96-15+deb12u10
fixed
forky
4.100.1-4
fixed
sid
4.100.1-4
fixed
trixie
4.98.2-1+deb13u4
fixed
trixie (security)
4.98.2-1+deb13u5
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
exim4
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
not-affected
resolute
Fixed 4.99.1-1ubuntu1.5
released
trusty
not-affected
xenial
not-affected
Common Weakness Enumeration
References
https://lists.exim.org/lurker/message/20260918.121220.0f87338e.en.html