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Vendor Workaround
Do not use the BusyBox ssl_server applet in production environments. Use a well-maintained TLS implementation such as OpenSSL or GnuTLS instead. Ensure system-level exploit mitigations (ASLR, PIE, RELRO, stack protectors) are enabled.
Tracking
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Wed, 23 Sep 2026 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A unit confusion in BusyBox TLS Montgomery reduction buffer allocation causes a pre-authentication heap buffer overflow when processing a crafted ClientKeyExchange message. | |
| Title | Busybox: busybox: tls montgomery reduction allocates bytes instead of digits, causing a pre-auth heap buffer overflow | |
| First Time appeared |
Redhat
Redhat hummingbird |
|
| Weaknesses | CWE-131 | |
| CPEs | cpe:/a:redhat:hummingbird:1 | |
| Vendors & Products |
Redhat
Redhat hummingbird |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-09-23T19:44:18.375Z
Reserved: 2026-09-10T09:42:04.559Z
Link: CVE-2026-88830
No data.
Status : Awaiting Analysis
Published: 2026-09-23T17:17:18.427
Modified: 2026-09-23T19:40:10.000
Link: CVE-2026-88830
No data.
OpenCVE Enrichment
Updated: 2026-09-23T19:00:08Z
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CWE-131
Incorrect Calculation of Buffer Size