An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-006. The v3 onion service descriptor parsing allows out-of-bounds memory access, and a client crash, via a crafted onion service descriptor
{ "binaries": [ { "binary_name": "tor", "binary_version": "0.3.2.10-1ubuntu0.2~esm2" }, { "binary_name": "tor-dbgsym", "binary_version": "0.3.2.10-1ubuntu0.2~esm2" }, { "binary_name": "tor-geoipdb", "binary_version": "0.3.2.10-1ubuntu0.2~esm2" } ], "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro" }
{ "binaries": [ { "binary_name": "tor", "binary_version": "0.4.2.7-1ubuntu0.1~esm1" }, { "binary_name": "tor-dbgsym", "binary_version": "0.4.2.7-1ubuntu0.1~esm1" }, { "binary_name": "tor-geoipdb", "binary_version": "0.4.2.7-1ubuntu0.1~esm1" } ], "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro" }