CVE-2026-79896

Fortra BoKS Manager enthält eine Lesezugriff-außerhalb-der-Grenzen-Schwachstelle im benutzerdefinierten TLS ClientHello-Parser, der von b…

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.

Metrics

7.5
Source: cna-v3
23.8 %
Elevated — this CVE ranks above at least 10% of all CVEs scored today.
Show all metrics
Severity
high
no public PoC known
0.3 %
Low — model estimates < 1% exploitation likelihood.
Published
2026-10-01 15:09 UTC
CWE-125

Weakness classes (CWE)

  • CWE-125Base

    Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

    cwe.mitre.org →

References & sources

Reanalysis & status changes

Chronological NVD audit events for this CVE — reanalyses, CVSS updates, CPE diffs.

  1. CVE Modified2026-10-01 17:17 UTC· 134c704f-9b21-4f2e-91b3-4a467353bcc0
    • SSVC: {"id":"CVE-2026-79896","role":"CISA Coordinator","options":[{"exploitation":"none"},{"automatable":"yes"},{"technical…
  2. New CVE Received2026-10-01 16:17 UTC· df4dee71-de3a-4139-9588-11b62fe6c0ff
    • 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.
    • CVSS V3.1: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    • CWE: CWE-125
    • Affected: New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/79xxx/CVE-2026-79896.json">CVE-2026-79896</a>