ppp(8): missing length validation in mp_SetEnddisc()
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.
Summary
mp_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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| FreeBSD | FreeBSD | 15.1-RELEASE to before p3; 15.0-RELEASE to before p13; 14.4-RELEASE to before p9 | p3, p13, p9 | Patch available | CNA |
- FreeBSD VendorFreeBSD Affected 15.1-RELEASE to before p3; 15.0-RELEASE to before p13; 14.4-RELEASE to before p9 Fixed in p3, p13, p9 Patch available CNA
CPE configurations NVD · 22
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:freebsd:freebsd:14.4:p1:*:*:*:*:*:* | 14.4 p1 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:14.4:p2:*:*:*:*:*:* | 14.4 p2 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:14.4:p3:*:*:*:*:*:* | 14.4 p3 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:14.4:p4:*:*:*:*:*:* | 14.4 p4 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:14.4:p5:*:*:*:*:*:* | 14.4 p5 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:14.4:p6:*:*:*:*:*:* | 14.4 p6 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:14.4:p7:*:*:*:*:*:* | 14.4 p7 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:14.4:p8:*:*:*:*:*:* | 14.4 p8 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:15.0:p1:*:*:*:*:*:* | 15.0 p1 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:15.0:p10:*:*:*:*:*:* | 15.0 p10 | Vulnerable | FreeBSD |
- cpe:2.3:o:freebsd:freebsd:14.4:p1:*:*:*:*:*:* Versions 14.4 p1 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:14.4:p2:*:*:*:*:*:* Versions 14.4 p2 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:14.4:p3:*:*:*:*:*:* Versions 14.4 p3 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:14.4:p4:*:*:*:*:*:* Versions 14.4 p4 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:14.4:p5:*:*:*:*:*:* Versions 14.4 p5 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:14.4:p6:*:*:*:*:*:* Versions 14.4 p6 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:14.4:p7:*:*:*:*:*:* Versions 14.4 p7 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:14.4:p8:*:*:*:*:*:* Versions 14.4 p8 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:15.0:p1:*:*:*:*:*:* Versions 15.0 p1 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:15.0:p10:*:*:*:*:*:* Versions 15.0 p10 Vulnerable ·FreeBSD
Show 12 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:freebsd:freebsd:15.0:p11:*:*:*:*:*:* | 15.0 p11 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:15.0:p12:*:*:*:*:*:* | 15.0 p12 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:15.0:p2:*:*:*:*:*:* | 15.0 p2 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:15.0:p3:*:*:*:*:*:* | 15.0 p3 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:15.0:p4:*:*:*:*:*:* | 15.0 p4 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:15.0:p5:*:*:*:*:*:* | 15.0 p5 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:15.0:p6:*:*:*:*:*:* | 15.0 p6 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:15.0:p7:*:*:*:*:*:* | 15.0 p7 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:15.0:p8:*:*:*:*:*:* | 15.0 p8 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:15.0:p9:*:*:*:*:*:* | 15.0 p9 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:15.1:p1:*:*:*:*:*:* | 15.1 p1 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:15.1:p2:*:*:*:*:*:* | 15.1 p2 | Vulnerable | FreeBSD |
- cpe:2.3:o:freebsd:freebsd:15.0:p11:*:*:*:*:*:* Versions 15.0 p11 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:15.0:p12:*:*:*:*:*:* Versions 15.0 p12 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:15.0:p2:*:*:*:*:*:* Versions 15.0 p2 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:15.0:p3:*:*:*:*:*:* Versions 15.0 p3 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:15.0:p4:*:*:*:*:*:* Versions 15.0 p4 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:15.0:p5:*:*:*:*:*:* Versions 15.0 p5 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:15.0:p6:*:*:*:*:*:* Versions 15.0 p6 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:15.0:p7:*:*:*:*:*:* Versions 15.0 p7 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:15.0:p8:*:*:*:*:*:* Versions 15.0 p8 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:15.0:p9:*:*:*:*:*:* Versions 15.0 p9 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:15.1:p1:*:*:*:*:*:* Versions 15.1 p1 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:15.1:p2:*:*:*:*:*:* Versions 15.1 p2 Vulnerable ·FreeBSD
Remediation
- Fix · CNA FreeBSD (FreeBSD) Fixed in p3, p13, p9
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
FreeBSD — security.freebsd.org/advisories/FreeBSD-SA-26:60.ppp.asc
3 records Highest priority Priority MEDIUM 2 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2026-41846 ppp(8): missing length validation in LcpDecodeConfig()Priority MEDIUM 41
- TI-2026-41845 ppp(8): incorrect length calculation in mp_Enddisc()Priority MEDIUM 41
Timeline
- 2026-10-02 Threatist record created from CVE-2026-58097
- 2026-10-03 Alias added: GHSA-8qxx-j2rw-6vhr
References
More Freebsd vulnerabilities
- TI-2011-04182 Buffer overflow in libtelnet/encrypt.c in telnetd in FreeBSD 7.3 through 9.0, MIT… CVSS 2.0HIGH 10.0
- TI-2007-03684 Integer overflow in print-bgp.c in the BGP dissector in tcpdump 3.9.6 and earlier allows… CVSS 3.1CRITICAL 9.8
- TI-2002-00376 Integer overflow in xdr_array function in RPC servers for operating systems that use… CVSS 3.1CRITICAL 9.8
- TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
- TI-2003-00437 Off-by-one error in the fb_realpath() function, as derived from the realpath function in… CVSS 3.1CRITICAL 9.8
- TI-2003-00642 The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code… CVSS 2.0HIGH 10.0
Sources
- CVE-2026-58097 · CVE Program
- CVE-2026-58097 · NVD
- FIRST EPSS
- GHSA-8qxx-j2rw-6vhr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences