An issue was discovered in the DNS proxy in Connman through 1.40. The TCP server reply implementation has an infinite loop if no data is received.
https://www.openwall.com/lists/oss-security/2022/01/25/1
https://www.debian.org/security/2022/dsa-5231
https://security.gentoo.org/glsa/202310-21
https://lists.debian.org/debian-lts-announce/2022/02/msg00009.html
https://git.kernel.org/pub/scm/network/connman/connman.git/log/