| Name | CVE-2018-25021 |
| Description | 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). |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libtoxcore (PTS) | bullseye | 0.2.12-1 | fixed |
| bookworm | 0.2.18-1 | fixed | |
| forky, sid, trixie | 0.2.20-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libtoxcore | source | (unstable) | 0.2.8-1 |
https://blog.tox.chat/2018/10/memory-leak-bug-and-new-toxcore-release-fixing-it/
https://github.com/TokTok/c-toxcore/issues/1214
https://github.com/TokTok/c-toxcore/pull/1216