CVE-2026-92158 F´ (F Prime) - Buffer Overflow

F´ (F Prime) < 4.2.0 contains a buffer overflow caused by integer wraparound in Svc::FpySequencer STORE directive stack write validation, letting attackers cause memory corruption, denial of service, or code execution, exploit requires crafted STORE directive with wrapped offset and size.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution, Denial Of Service, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-190

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

← All CVEs