CVE•Published 2026-06-09•Modified 2026-07-23•0 articles on news•5 live references•NVD data
CVE-2023-43686
Vulnerability data via NVD (ingested)
CVSS v3.1
6.2
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS percentile
2
Exploit Prediction Scoring System · top 98% of all CVEs
Weaknesses (CWE)
Description
An issue was discovered in Malwarebytes 4.x and 5.x (and Nebula 2020-10-21 and later). A large number of Firefox preference files can cause the parser to ignore other browser configuration files, leading to a denial of service.
Timeline
Published 2026-06-09
Modified 2026-07-23
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common). Live host counts are a Premium feature.
More intel sources (5)
Shodan report
vuln:CVE-2023-43686Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-43686Censys host search filtered to this CVE id.
grep.app
CVE-2023-43686Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-43686GitHub code search for direct mentions.
Google dork
"CVE-2023-43686" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2023-43686 on GitHub.
We haven't classified any articles referencing CVE-2023-43686 yet. The external references above still apply.