red-hatCVE-2026-88840

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

Medium5.3CVE-2026-88840 · Published Sep 23, 2026

Source advisory

Affected versions

Package	Affected	Fixed in
Red Hat Hardened Images Vendor	all versions	No fix yet

Details and references

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

CVSS 3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Severity from: no source yet
Weakness: CWE-125

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