Ubuntu Security Notice 7070-1 - It was discovered that libarchive mishandled certain memory checks, which could result in a NULL pointer dereference. An attacker could potentially use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. It was discovered that libarchive mishandled certain memory operations, which could result in an out-of-bounds memory access. An attacker could potentially use this issue to cause a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS.