CVE-2026-58095

⚠️ high

Summary

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 Score

8.8

High

EPSS Score

0.6

Exploit Probability

Published Date

2026-08-26

First Seen: 2026-08-28

📊 Relative Risk Intelligence

This CVE is High Risk - more severe than 80.8% of all 364,849 vulnerabilities in our database.

#69,999

Top 25% most severe

Severity Percentile

🎯 CISA SSVC Assessment Updated: Aug 27, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Total

Complete system compromise possible

🏆 Discovered By

Robert Morris Décio Brandão (0xDBJ) Joshua Rogers Reo Shiseki

SSVC data provided by CISA

Last Modified 2026-09-10

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-122

📦 Affected Products 3

Vendor	Product	Status	Affected Versions
freebsd	freebsd	Affected	v14.4
freebsd	freebsd	Affected	v15.0
freebsd	freebsd	Affected	v15.1

🔗 References 1

https://security.freebsd.org/advisories/FreeBSD-SA-2...

Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-58089	⚠️ high	7.8	0.1	When a process calls execve(2) to execute a setuid or setgid image, hwpmc(4) is supposed to detach PMCs owned by unprivi...	2026-08-26
CVE-2026-58090	⚠️ high	7.8	0.2	The SOCK_STREAM receive path in the unix socket implementation failed to fully detach control messages from the socket b...	2026-08-26
CVE-2026-58091	⚠️ high	7.8	0.2	The implementation of this ioctl attempts to acquire locks on all channels in a sync group. If locking a channel would ...	2026-08-26
CVE-2026-58092	⚠️ high	8.1	0.4	In FreeBSD 15.0, the kernel structure used to represent user credentials changed: previously the primary group ID was st...	2026-08-26
CVE-2026-58093	⚠️ high	7.0	0.1	The TIOCSCTTY ioctl handler drops the tty lock in order to acquire the process tree lock. After reacquiring the tty loc...	2026-08-26
CVE-2026-58094	⚠️ high	7.8	0.1	The FIOSSHMLPGCNF ioctl(2) operation configures the page size for a largepage shared memory object. This is intended to...	2026-08-26

These CVEs affect the same products