Description
mp_Enddisc() used incorrect length calculations when formatting endpoint discriminator addresses for display, allowing a received endpoint option to overflow a global result buffer.

A malicious PPP peer can crash ppp(8) or potentially execute arbitrary code as root.
Published: 2026-08-26
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 27 Aug 2026 18:00:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

 cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 26 Aug 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 26 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Wed, 26 Aug 2026 06:45:00 +0000

Type Values Removed Values Added
First Time appeared Freebsd
Freebsd freebsd
Vendors & Products Freebsd
Freebsd freebsd

Wed, 26 Aug 2026 05:45:00 +0000

Type Values Removed Values Added
Description mp_Enddisc() used incorrect length calculations when formatting endpoint discriminator addresses for display, allowing a received endpoint option to overflow a global result buffer. A malicious PPP peer can crash ppp(8) or potentially execute arbitrary code as root.
Title ppp(8): incorrect length calculation in mp_Enddisc()
Weaknesses CWE-122
References

Subscriptions

Freebsd Freebsd
cve-icon MITRE

Status: PUBLISHED

Assigner: freebsd

Published:

Updated: 2026-08-27T16:16:04.777Z

Reserved: 2026-06-29T01:40:17.499Z

Link: CVE-2026-58095

cve-icon Vulnrichment

Updated: 2026-08-26T15:28:24.759Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-08-26T06:16:26.460

Modified: 2026-08-27T17:18:53.397

Link: CVE-2026-58095

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-26T18:00:04Z

Weaknesses
  • CWE-122

    Heap-based Buffer Overflow