A stack-based buffer overflow vulnerability has been discovered in pymumu SmartDNS up to version 47.1. The vulnerability exists in the SVBC Record Parser component within the src/dns.c file, specifically affecting the _dns_decode_rr_head/_dns_decode_SVCB_HTTPS functions. Applying the provided patch is advised to mitigate the risk of remote exploitation.
A security flaw has been discovered in pymumu SmartDNS up to 47.1. This vulnerability affects the function _dns_decode_rr_head/_dns_decode_SVCB_HTTPS of the file src/dns.c of the component SVBC Record Parser. The manipulation results in stack-based buffer overflow. It is possible to launch the attack remotely. A high complexity level is associated with this attack. It is stated that the exploitability is difficult. The patch is identified as 2d57c4b4e1add9b4537aeb403f794a084727e1c8. Applying a patch is advised to resolve this issue.