CVE•Published 2026-09-05•Modified 2026-09-08•0 articles on news•6 live references•NVD data
CVE-2026-18238
Vulnerability data via NVD (ingested)
CVSS v3.1
5.0
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
EPSS percentile
—
Description
The rpcap client code that processes a RPCAP_MSG_PACKET message received from the server incorrectly validates its headers. A malicious server can send a crafted message and cause the client to treat up to 20 bytes of the client process memory beyond the end of the buffer as if it was a part of the captured packet.
Timeline
Published 2026-09-05
Modified 2026-09-08
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).
More intel sources (5)
Shodan report
vuln:CVE-2026-18238Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-18238Censys host search filtered to this CVE id.
grep.app
CVE-2026-18238Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-18238GitHub code search for direct mentions.
Google dork
"CVE-2026-18238" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (3)
CVE-2026-182383 repos
We haven't classified any articles referencing CVE-2026-18238 yet. The external references above still apply.