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Vulnerability record · CVE-2018-17157 · published 4 December 2018

CVE-2018-17157: Freebsd integer overflow vulnerability

Freebsd · Freebsd

In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, an integer overflow error when handling opcodes can cause memory corruption by sending a specially crafted NFSv4 request. Unprivileged remote users with access to the NFS server may be able to execute arbitrary code.

9.8 CVSS 3.0 Critical EPSS 24% · top 2.2% CWE-190 · Integer overflow
9.8CVSS 3.0 base score, v2 10.0
24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, an integer overflow error when handling opcodes can cause memory corruption by sending a specially crafted NFSv4 request. Unprivileged remote users with access to the NFS server may be able to execute arbitrary code.

CVSS:3.0/AV:N/AC:L/PR:N/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
http://www.securityfocus.com/bid/106192 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1042164 PatchThird Party AdvisoryVDB Entry
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-25/ Third Party Advisory
https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.asc PatchVendor Advisory
http://www.securityfocus.com/bid/106192 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1042164 PatchThird Party AdvisoryVDB Entry
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-25/ Third Party Advisory
https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.asc PatchVendor Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2018-17157), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.