Several vulnerabilities have been discovered in the chromium web browser. CVE-2019-20503 Natalie Silvanovich discovered an out-of-bounds read issue in the usrsctp library. CVE-2020-6422 David Manouchehri discovered a use-after-free issue in the WebGL implementation. CVE-2020-6424 Sergei Glazunov discovered a use-after-free issue. CVE-2020-6425 Sergei Glazunov discovered a policy enforcement error related to extensions. CVE-2020-6426 Avihay Cohen discovered an implementation error in the v8 javascript library. CVE-2020-6427 Man Yue Mo discovered a use-after-free issue in the audio implementation. CVE-2020-6428 Man Yue Mo discovered a use-after-free issue in the audio implementation. CVE-2020-6429 Man Yue Mo discovered a use-after-free issue in the audio implementation. CVE-2020-6449 Man Yue Mo discovered a use-after-free issue in the audio implementation.