TI-2017-00887 Aliases CVE-2017-1083 GHSA-77q4-6hc2-j67c

Memory corruption in FreeBSD

LOW 35CWE-119Published 2018-09-12 · Updated 2024-09-16

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

In FreeBSD before 11.2-RELEASE, a stack guard-page is available but is disabled by default. This results in the possibility a poorly written process could be cause a stack overflow.

Why it matters now

EPSS 0.01141 66th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed FreeBSD (FreeBSD): 11.2-RELEASE

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
FreeBSD	FreeBSD	before 11.2-RELEASE	11.2-RELEASE	Patch available	CNA

FreeBSD VendorFreeBSD Affected before 11.2-RELEASE Fixed in 11.2-RELEASE Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:o:freebsd:freebsd::::::::	before 11.2	Vulnerable	FreeBSD

cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* Versions before 11.2 Vulnerable ·FreeBSD

Remediation

Fix · CNA FreeBSD (FreeBSD) Fixed in 11.2-RELEASE

Timeline

2026-10-02 Threatist record created from CVE-2017-1083
2026-10-03 Alias added: GHSA-77q4-6hc2-j67c

References

Exploit 1

https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt

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

See all 576 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences