========================================================================== Ubuntu Security Notice USN-6369-2 September 28, 2023
libwebp vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 LTS (Available with Ubuntu Pro) Summary: libwebp could be made to crash or run programs if it opened a specially crafted file. Software Description: - libwebp: Lossy compression of digital photographic images. Details: 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. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS (Available with Ubuntu Pro): libwebp6 0.6.1-2ubuntu0.18.04.2+esm1 libwebpdemux2 0.6.1-2ubuntu0.18.04.2+esm1 libwebpmux3 0.6.1-2ubuntu0.18.04.2+esm1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6369-2 https://ubuntu.com/security/notices/USN-6369-1 CVE-2023-4863
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