CVE-2017-1084

highpriority · attend · 45EPSS 0.153 · 97 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · functional

Likely / severe?

15.3% (97th) EPSS

CVSS 7.8 · high

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

In FreeBSD before 11.2-RELEASE, multiple issues with the implementation of the stack guard-page reduce the protections afforded by the guard-page. This results in the possibility a poorly written process could be cause a stack overflow.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.1highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimary

exploits (2)

Public proof-of-concept and weaponised exploit code.

EDB-42277FreeBSD - 'FGPU' Stack Clash (PoC)functional · exploit_db
EDB-42278FreeBSD - 'FGPE' Stack Clash (PoC)functional · exploit_db

affected products (2)

Products and version ranges known to be affected.

FreeBSD FreeBSD≤ before 11.2-RELEASEenisa_euvdEU
freebsd freebsd< 11.2nvdUScpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-09-12modified 2026-06-17

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Related entries.

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+21023 more

references (8)

External citations — patches, advisories, analysis.

https://www.freebsd.org/Patchcnnvd
https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt cnnvd
https://www.exploit-db.com/exploits/42277/enisa_euvd
https://www.exploit-db.com/exploits/42278/enisa_euvd
https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt enisa_euvd
https://www.exploit-db.com/exploits/42277/Third Party AdvisoryVDB Entrynvd
https://www.exploit-db.com/exploits/42278/Third Party AdvisoryVDB Entrynvd
https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txtExploitTechnical DescriptionThird Party Advisorynvd

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