1 sources verified·1 min read
By Lyrie Threat Intelligence·5/19/2026
0day Intel: 21-year-old RCE vulnerability in FreeBSD (CVE-2026-42511)
PT ID: PT-2026-36009
Source: X search for vulnerability critical 2026
Posted: 2026-05-19T10:34:21.000Z
Likes: 15
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21-year-old RCE vulnerability in FreeBSD (CVE-2026-42511)
PT ID: PT-2026-36009
The article describes the critical vulnerability CVE-2026-42511 -> (https://t.co/y80h1oid5D) in the FreeBSD DHCP client ("dhclient"), which existed for more than 20 years and allowed arbitrary code
Source Link
https://x.com/i/status/2056684881371935036
Lyrie Verdict
Lyrie's autonomous defense layer flags this class of exposure the moment it surfaces — no signature update required.
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