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-2018-25021 not yet assigned priority: Debian including 1 source packages (libtoxcore), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.
The TCP Server module in toxcore before 0.2.8 doesn't free the TCP priority queue under certain conditions, which allows a remote attacker to exhaust the system's memory, causing a denial of service (DoS).