CVE-2026-88840
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
BusyBox TLS get_client_hello() reads past the end of the input buffer when parsing a truncated ClientHello message.
Affected Software
| Vendor | Product | Version Range | Status |
|---|
Weaknesses
- CWE-125: Out-of-bounds Read
Workarounds
Do not use BusyBox ssl_server in production deployments. Upstream should add a bounds check to verify len > 0 before reading the compression-methods length byte.
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://access.redhat.com/security/cve/CVE-2026-88840
- https://bugzilla.redhat.com/show_bug.cgi?id=2531354
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