It was discovered that Apache Commons Lang incorrectly handled recursion in the ClassUtils.getClass method. An attacker could possibly use this issue to cause Apache Commons Lang to crash, resulting in a denial of service.
2.6-9ubuntu0.22.04.13.11-1ubuntu0.12.6-10ubuntu0.12.6-3ubuntu2+esm13.2.1-1ubuntu0.1~esm12.6-6ubuntu2+esm13.4-1ubuntu0.1~esm12.6-8ubuntu0.1~esm13.8-1~18.04.2+esm12.6-9ubuntu0.20.04.1~esm1