No exploitation reportedFix available

CVE-2017-18367

Q: Is CVE-2017-18367 actively exploited?

Active exploitation of CVE-2017-18367 has not been confirmed. Its EPSS score was 2.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2017-18367?

CVE-2017-18367 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

No exploitation reported by the sources we read.

Published2019-04-24
Fixed in0.9.1-0.20170424173420-06e7a29f36a3 · 0.9.1
WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

libseccomp-golang 0.9.0 and earlier incorrectly generates BPFs that OR multiple arguments rather than ANDing them. A process running under a restrictive seccomp filter that specified multiple syscall arguments could bypass intended access restrictions by specifying a single matching argument.

Timeline

dates in UTC

2019-04-2421:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-18367?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-18367?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD

seccomp/libseccomp-golang

Branch	Affected	Fixed in	Source
0.9	< 0.9.1-0.20170424173420-06e7a29f36a3	0.9.1-0.20170424173420-06e7a29f36a3	OSV
0.9	< 0.9.1	0.9.1	OSV

Libseccomp-golang project libseccomp-golang

Branch	Affected	Fixed in	Source
0.9	≤ 0.9.0	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update seccomp/libseccomp-golang to 0.9.1-0.20170424173420-06e7a29f36a3 · 0.9.1

Advisories and patches

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.07.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
NVDweakness (CWE)CWE-20read 2026-10-23
FIRST EPSSEPSS score2.4 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published: 2019-04-24
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2017-18367?

Is CVE-2017-18367 actively exploited?

Active exploitation of CVE-2017-18367 has not been confirmed. Its EPSS score was 2.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-18367?

CVE-2017-18367 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

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