USN-4971-1 fixed several vulnerabilities in libwebp. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
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": [ { "libwebpdemux1-dbgsym": "0.4.0-4ubuntu0.1~esm1", "libwebpmux1": "0.4.0-4ubuntu0.1~esm1", "libwebp-dev": "0.4.0-4ubuntu0.1~esm1", "libwebp5": "0.4.0-4ubuntu0.1~esm1", "libwebp5-dbgsym": "0.4.0-4ubuntu0.1~esm1", "libwebpdemux1": "0.4.0-4ubuntu0.1~esm1", "webp": "0.4.0-4ubuntu0.1~esm1", "libwebpmux1-dbgsym": "0.4.0-4ubuntu0.1~esm1", "webp-dbgsym": "0.4.0-4ubuntu0.1~esm1" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "libwebpdemux1-dbgsym": "0.4.4-1ubuntu0.1~esm1", "libwebpmux1": "0.4.4-1ubuntu0.1~esm1", "libwebp-dev": "0.4.4-1ubuntu0.1~esm1", "libwebp5": "0.4.4-1ubuntu0.1~esm1", "libwebp5-dbgsym": "0.4.4-1ubuntu0.1~esm1", "libwebpdemux1": "0.4.4-1ubuntu0.1~esm1", "webp": "0.4.4-1ubuntu0.1~esm1", "libwebpmux1-dbgsym": "0.4.4-1ubuntu0.1~esm1", "webp-dbgsym": "0.4.4-1ubuntu0.1~esm1" } ] }