Arch Linux Security Advisory ASA-202101-35 ========================================== Severity: Medium Date : 2021-01-20 CVE-ID : CVE-2020-26664 Package : vlc Type : arbitrary code execution Remote : No Link : https://security.archlinux.org/AVG-1423 Summary ======= The package vlc before version 3.0.12-1 is vulnerable to arbitrary code execution. Resolution ========== Upgrade to 3.0.12-1. # pacman -Syu "vlc>=3.0.12-1" The problem has been fixed upstream in version 3.0.12. Workaround ========== None. Description =========== A vulnerability in EbmlTypeDispatcher::send in VideoLAN VLC media player 3.0.11 allows attackers to trigger a heap-based buffer overflow via a crafted .mkv file. It is fixed in version 3.0.12. Impact ====== A crafted .mkv file can crash or possibly execute arbitrary code. References ========== https://gist.githubusercontent.com/henices/db11664dd45b9f322f8514d182aef5ea/raw/d56940c8bf211992bf4f3309a85bb2b69383e511/CVE-2020-26664.txt https://code.videolan.org/videolan/vlc-3.0/-/commit/ec1f55ee9ace5cc675395a1bc9700d99679e7e8c https://security.archlinux.org/CVE-2020-26664