High severity · published Aug 26, 2026
CVE-2026-58095
ppp(8): incorrect length calculation in mp_Enddisc()
8.8
CVSS
0.6%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
FreeBSD · FreeBSD
15.1-RELEASE before p3; 15.0-RELEASE before p13; 14.4-RELEASE before p9 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-58095
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-58095
Vendor Advisory
https://security.freebsd.org/advisories/FreeBSD-SA-26:60.ppp.asc
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