USN-6369-1 fixed a vulnerability in libwebp. This update provides the corresponding update for Ubuntu 18.04 LTS.
Original advisory details:
It was discovered that libwebp incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image file, a remote attacker could use this issue to cause libwebp to crash, resulting in a denial of service, or possibly execute arbitrary code.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "libwebp6": "0.6.1-2ubuntu0.18.04.2+esm1", "libwebpmux3": "0.6.1-2ubuntu0.18.04.2+esm1", "libwebp-dev": "0.6.1-2ubuntu0.18.04.2+esm1", "libwebpdemux2": "0.6.1-2ubuntu0.18.04.2+esm1", "libwebpdemux2-dbgsym": "0.6.1-2ubuntu0.18.04.2+esm1", "webp": "0.6.1-2ubuntu0.18.04.2+esm1", "libwebpmux3-dbgsym": "0.6.1-2ubuntu0.18.04.2+esm1", "libwebp6-dbgsym": "0.6.1-2ubuntu0.18.04.2+esm1", "webp-dbgsym": "0.6.1-2ubuntu0.18.04.2+esm1" } ] }