It was discovered that Minizip in zlib incorrectly handled certain zip header fields. An attacker could possibly use this issue to cause a denial of service, or execute arbitrary code.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm3", "binary_name": "lib32z1" }, { "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm3", "binary_name": "lib32z1-dev" }, { "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm3", "binary_name": "lib64z1" }, { "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm3", "binary_name": "lib64z1-dev" }, { "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm3", "binary_name": "libx32z1" }, { "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm3", "binary_name": "libx32z1-dev" }, { "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm3", "binary_name": "zlib-bin" }, { "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm3", "binary_name": "zlib1g" }, { "binary_version": "1:1.2.8.dfsg-1ubuntu1.1+esm3", "binary_name": "zlib1g-dev" } ] }