View at Official debian advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2021-33586 not yet assigned priority: Debian including 1 source packages (inspircd), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4.
InspIRCd 3.8.0 through 3.9.x before 3.10.0 allows any user (able to connect to the server) to access recently deallocated memory, aka the "malformed PONG" issue.