CVE-2026-92152 F´ (F Prime) - Buffer Overflow

F´ (F Prime) 4.1.0 to 4.2.0 contains a buffer overflow caused by lack of range check on deserialized port field in Svc::GenericHub output-port dispatch, letting remote attackers cause heap corruption or remote code execution, exploit requires remote hub packet with out-of-bounds port index.

CVSS base score 9.3 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution, Data Tampering
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-129

Vendor fix

Update to version 4.2.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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