CVE-2026-88840

EUVD-2026-85513
BusyBox TLS get_client_hello() reads past the end of the input buffer when parsing a truncated ClientHello message.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 10.59%
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
busybox
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
needs-triage
stonking
needs-triage
trusty
needs-triage
xenial
needs-triage
Common Weakness Enumeration
References
https://access.redhat.com/security/cve/CVE-2026-88840
https://bugzilla.redhat.com/show_bug.cgi?id=2531354