CVE-2018-17158 json
In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, an integer overflow error can occur when handling the client address length fie…
published 2018-12-04 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-8933
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.4%
- EPSS 4.4% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, an integer overflow error can occur when handling the client address length field in an NFSv4 request. Unprivileged remote users with access to the NFS server can crash the system by sending a specially crafted NFSv4 request.
Patch / fix
- freebsd freebsd 11.2
Exploit prediction
4.41% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Affected products
- FreeBSD FreeBSD
Classification
- Weakness
-
- CWE-190 Integer Overflow or Wraparound
References
-
security.freebsd.org
/advisories/FreeBSD-SA-18:13.nfs.asc
vendor-advisory, third-party-advisory
-
securityfocus.com
/bid/106192
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1042164
vdb-entry, third-party-advisory
-
secuniaresearch.flexerasoftware.com
/secunia_research/2018-24/
third-party-advisory
Sources
- CVE List CVE-2018-17158
- NVD CVE-2018-17158
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