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CVE-2026-58096 Details

Description

LcpDecodeConfig() did not validate the length of received endpoint discriminator options against the minimum required by RFC 1717. Undersized options would trigger an out-of-bounds write. A malicious PPP peer can exploit CVE-2026-58095 and CVE-2026-58096 to crash ppp(8) or potentially execute arbitrary code as root.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://security.freebsd.org/advisories/FreeBSD-SA-26:60.ppp.asc	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-130	Improper Handling of Length Parameter Inconsistency	[email protected]
CWE-787	Out-of-bounds Write	[email protected]

Affected Products

Product	Versions
freebsd freebsd	14.4 p1 14.4 p2 14.4 p3 14.4 p4 14.4 p5
CPE cpe:2.3:o:freebsd:freebsd:14.4:p1:::::: cpe:2.3:o:freebsd:freebsd:14.4:p2:::::: cpe:2.3:o:freebsd:freebsd:14.4:p3:::::: cpe:2.3:o:freebsd:freebsd:14.4:p4:::::: cpe:2.3:o:freebsd:freebsd:14.4:p5:::::: cpe:2.3:o:freebsd:freebsd:14.4:p6:::::: cpe:2.3:o:freebsd:freebsd:14.4:p7:::::: cpe:2.3:o:freebsd:freebsd:14.4:p8:::::: cpe:2.3:o:freebsd:freebsd:15.0:p1:::::: cpe:2.3:o:freebsd:freebsd:15.0:p10:::::: cpe:2.3:o:freebsd:freebsd:15.0:p11:::::: cpe:2.3:o:freebsd:freebsd:15.0:p12:::::: cpe:2.3:o:freebsd:freebsd:15.0:p2:::::: cpe:2.3:o:freebsd:freebsd:15.0:p3:::::: cpe:2.3:o:freebsd:freebsd:15.0:p4:::::: cpe:2.3:o:freebsd:freebsd:15.0:p5:::::: cpe:2.3:o:freebsd:freebsd:15.0:p6:::::: cpe:2.3:o:freebsd:freebsd:15.0:p7:::::: cpe:2.3:o:freebsd:freebsd:15.0:p8:::::: cpe:2.3:o:freebsd:freebsd:15.0:p9:::::: cpe:2.3:o:freebsd:freebsd:15.1:p1:::::: cpe:2.3:o:freebsd:freebsd:15.1:p2:::::: Remediation No remediation found in references.

Product

Versions

freebsd freebsd

14.4 p1

14.4 p2

14.4 p3

14.4 p4

14.4 p5

CPE

cpe:2.3:o:freebsd:freebsd:14.4:p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:14.4:p2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:14.4:p3:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:14.4:p4:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:14.4:p5:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:14.4:p6:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:14.4:p7:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:14.4:p8:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:15.0:p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:15.0:p10:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:15.0:p11:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:15.0:p12:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:15.0:p2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:15.0:p3:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:15.0:p4:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:15.0:p5:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:15.0:p6:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:15.0:p7:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:15.0:p8:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:15.0:p9:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:15.1:p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:15.1:p2:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Sep 10, 2026	Initial Analysis	[email protected]
Aug 27, 2026	CVE Modified	CISA-ADP
Aug 27, 2026	CVE Modified	CISA-ADP
Aug 26, 2026	CVE Modified	CISA-ADP
Aug 26, 2026	New CVE Received	[email protected]