What’s Vulnerable › Vulnerabilities
CVE-2026-79896: Fortra BoKS Manager boks_portmux TLS ClientHello out-of-bounds read vulnerability
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-01 · updated 2026-10-01
- Weakness: CWE-125
Description
Fortra BoKS Manager contains an out-of-bounds read vulnerability in the custom TLS ClientHello parser used by boks_portmux. A remote unauthenticated attacker can submit a malformed ClientHello and terminate boks_portmux. Although the daemon is normally restarted automatically, repeated requests can sustain the service interruption.
Affected products
- Fortra BoKS Manager: from 8.1.0.0 through 8.1.0.23; from 9.0.0.0 through 9.0.0.6
References
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