- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202005-11 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: VLC: Buffer overflow Date: May 14, 2020 Bugs: #721940 ID: 202005-11 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A buffer overflow in VLC might allow local or 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 < 3.0.10 >= 3.0.10 Description =========== A buffer overflow in DecodeBlock in sdl_image.c was discovered. Impact ====== A remote user could craft a specifically crafted image file that could execute arbitrary code or cause denial of service. Workaround ========== The user should refrain from opening files from untrusted third parties or accessing untrusted remote sites (or disable the VLC browser plugins), until they upgrade. Resolution ========== All VLC users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=media-video/vlc-3.0.10" References ========== [ 1 ] CVE-2019-19721 https://nvd.nist.gov/vuln/detail/CVE-2019-19721 [ 2 ] Upstream patch https://git.videolan.org/?p=vlc/vlc-3.0.git;a=commit;h=72afe7ebd8305bf4f5360293b8621cde52ec506b [ 3 ] VideoLAN-SB-VLC-309 https://www.videolan.org/security/sb-vlc309.html Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202005-11 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 2020 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