๐Ÿ” CVE Alert

CVE-2026-88840

MEDIUM 5.3

Busybox: busybox: tls ssl_server reads one byte out of bounds when parsing truncated clienthello

CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th

BusyBox TLS get_client_hello() reads past the end of the input buffer when parsing a truncated ClientHello message.

CWE CWE-125
Vendor red hat
Product red hat hardened images
Published Sep 23, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Affected Versions

Red Hat / Red Hat Hardened Images
All versions affected

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-88840 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2531354