Vulnerability DatabaseCVE-2026-88840
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-88840
Published:September 23, 2026
Updated:October 13, 2026
BusyBox TLS get_client_hello() reads past the end of the input buffer when parsing a truncated ClientHello message.
Related Resources (2)
https://access.redhat.com/security/cve/CVE-2026-88840
https://bugzilla.redhat.com/show_bug.cgi?id=2531354
Do you need more information?
Contact Us
CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Out-of-bounds Read
CWE-125
EPSS
Base Score:
0.21