icecast2 crashes frequently

We found that icecast2.4.4 often crashes(It has crashed more than a dozen times in the last three days). By checking the system logs, and found that the reasons for the crash are as follows：

Apr  4 21:48:56 ubuntu-s-1vcpu-2gb-intel-lon1-01 kernel: [46118.223163] icecast2[2005787]: segfault at 4f28 ip 00007f64546dd064 sp 00007fff1d087480 error 4 in libwolfssl.so.24.0.0[7f6454649000+d0000]
Apr  4 21:48:56 ubuntu-s-1vcpu-2gb-intel-lon1-01 kernel: [46118.223177] Code: 84 00 00 00 00 00 f3 0f 1e fa 41 54 55 48 89 fd 48 81 ec a8 00 00 00 64 48 8b 04 25 28 00 00 00 48 89 84 24 98 00 00 00 31 c0 <0f> b6 87 28 4f 00 00 83 e0 c0 3c 40 74 2e 31 f6 48 89 ef e8 74 75**
Apr  4 21:49:02 ubuntu-s-1vcpu-2gb-intel-lon1-01 systemd[1]: Stopping LSB: Icecast2 streaming media server...
Apr  4 21:49:02 ubuntu-s-1vcpu-2gb-intel-lon1-01 icecast2[2008732]:  * Stopping streaming media server icecast2
Apr  4 21:49:02 ubuntu-s-1vcpu-2gb-intel-lon1-01 icecast2[2008732]:    ...done.
Apr  4 21:49:02 ubuntu-s-1vcpu-2gb-intel-lon1-01 systemd[1]: icecast2.service: Succeeded.
Apr  4 21:49:02 ubuntu-s-1vcpu-2gb-intel-lon1-01 systemd[1]: Stopped LSB: Icecast2 streaming media server.

The operating system we use is: Ubuntu 20.04.2 LTS (GNU/Linux 5.4.0-146-generic x86_64)