It was discovered that GNU diffutils incorrectly handled certain integer arithmetic when mapping line ranges in diff3. A local attacker could possibly use this issue to cause diff3 to crash, resulting in a denial of service.
1:3.8-0ubuntu2.11:3.10-1ubuntu0.11:3.12-1ubuntu0.11:3.3-1ubuntu0.1~esm11:3.3-3ubuntu0.1~esm11:3.6-1ubuntu0.1~esm11:3.7-3ubuntu0.1~esm1