ppp(8): missing length validation in mp_SetEnddisc()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-58097
StatePUBLISHED
Assignerfreebsd
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-26 06:16:26 UTC
Updated2026-09-10 15:36:14 UTC
Descriptionmp_SetEnddisc() copied a user-supplied PSN endpoint value without length validation, allowing a buffer overflow via the ppp(8) command interface. A local user with access to the ppp(8) command interface can crash ppp(8) or potentially execute arbitrary code as root.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from ADP

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.002180000 probability, percentile 0.122000000 (date 2026-09-11)

Problem Types: CWE-122 | CWE-130 | CWE-130 CWE-130: Improper Handling of Length Parameter Inconsistency | CWE-122 CWE-122: Heap-based Buffer Overflow

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Freebsd Freebsd 14.4 p1 All All
Operating System Freebsd Freebsd 14.4 p2 All All
Operating System Freebsd Freebsd 14.4 p3 All All
Operating System Freebsd Freebsd 14.4 p4 All All
Operating System Freebsd Freebsd 14.4 p5 All All
Operating System Freebsd Freebsd 14.4 p6 All All
Operating System Freebsd Freebsd 14.4 p7 All All
Operating System Freebsd Freebsd 14.4 p8 All All
Operating System Freebsd Freebsd 15.0 p1 All All
Operating System Freebsd Freebsd 15.0 p10 All All
Operating System Freebsd Freebsd 15.0 p11 All All
Operating System Freebsd Freebsd 15.0 p12 All All
Operating System Freebsd Freebsd 15.0 p2 All All
Operating System Freebsd Freebsd 15.0 p3 All All
Operating System Freebsd Freebsd 15.0 p4 All All
Operating System Freebsd Freebsd 15.0 p5 All All
Operating System Freebsd Freebsd 15.0 p6 All All
Operating System Freebsd Freebsd 15.0 p7 All All
Operating System Freebsd Freebsd 15.0 p8 All All
Operating System Freebsd Freebsd 15.0 p9 All All
Operating System Freebsd Freebsd 15.1 p1 All All
Operating System Freebsd Freebsd 15.1 p2 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA FreeBSD FreeBSD affected 15.1-RELEASE p3 release Not specified
CNA FreeBSD FreeBSD affected 15.0-RELEASE p13 release Not specified
CNA FreeBSD FreeBSD affected 14.4-RELEASE p9 release Not specified

References

ReferenceSourceLinkTags
security.freebsd.org/advisories/FreeBSD-SA-26:60.ppp.asc [email protected] security.freebsd.org Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Robert Morris (en)

CNA: Décio Brandão (0xDBJ) (en)

CNA: Joshua Rogers (en)

CNA: Reo Shiseki (en)

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