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Vulnerability record · CVE-2026-58095 · published 26 August 2026

CVE-2026-58095: Freebsd heap-based buffer overflow vulnerability

Freebsd · Freebsd

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.

8.8 CVSS 3.1 High EPSS 0.60% · top 53.3% CWE-122 · Heap-based buffer overflow
8.8CVSS 3.1 base score
0.60%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
10 Sep 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://security.freebsd.org/advisories/FreeBSD-SA-26:60.ppp.asc Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-58095), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.