Tor before 0.4.5.7 allows a remote attacker to cause Tor directory authorities to exit with an assertion failure, aka TROVE-2021-002.

Affected: Ubuntu:Pro:14.04:LTS: tor, Ubuntu:Pro:16.04:LTS: tor, Ubuntu:Pro:18.04:LTS: tor, Ubuntu:Pro:20.04:LTS: tor

It was discovered that Tor incorrectly handled certain memory operations. A remote attacker could use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 ESM. (CVE-2019-8955)

It was discovered that Tor did not properly handle the input length to dump_desc() function. A remote attacker could use this issue to cause a deni…