Pion/DTLS contains buffer for inbound DTLS fragments with no limit
ImpactA buffer that was used for inbound network traffic had no upper limit. Pion DTLS would buffer all network traffic from the remote user until the handshake completes or times out. An attacker could exploit this to cause excessive memory usage.PatchesUpgrade to Pion DTLS v2.1.4WorkaroundsNo workarounds available, upgrade to Pion DTLS v2.1.4ReferencesThank you to [Juho Nurminen](https://github.com/jupenur) and the Mattermost team for discovering and reporting this.For more informationIf you have any questions or comments about this advisory:Open an issue in [Pion DTLS](http://github.com/pion/dtls)Email us at [team@pion.ly](mailto:team@pion.ly)