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CVE-2026-88840mediumCWE-125

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

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.3epss 0.2%
exploitation probability
0.2%top 91% of all CVEs
observed exploitation
nono source reports it
BusyBox TLS get_client_hello() reads past the end of the input buffer when parsing a truncated ClientHello message.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N