Red HatCVE-2026-88830
Red Hat Hardened Images: buffer overflow
High7.5CVE-2026-88830 · Published Sep 23, 2026
A unit confusion in BusyBox TLS Montgomery reduction buffer allocation causes a pre-authentication heap buffer overflow when processing a crafted ClientKeyExchange message.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Red Hat Hardened Images Product | all versions | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-131
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