- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202101-37 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: VLC: Buffer overflow Date: January 29, 2021 Bugs: #765040 ID: 202101-37 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A buffer overflow in VLC might allow remote attacker(s) to execute arbitrary code. Background ========== VLC is a cross-platform media player and streaming server. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-video/vlc < 3.0.12.1 >= 3.0.12.1 Description =========== VLC was found to have a buffer overflow when handling crafted MKV files. Impact ====== A remote attacker could entice a user to open a specially crafted MKV file using VLC possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition. Workaround ========== There is no known workaround at this time. Resolution ========== All VLC users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=media-video/vlc-3.0.12.1" References ========== [ 1 ] CVE-2020-26664 https://nvd.nist.gov/vuln/detail/CVE-2020-26664 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202101-37 Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org. License ======= Copyright 2021 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. https://creativecommons.org/licenses/by-sa/2.5