{"id":"UBUNTU-CVE-2020-26652","details":"An issue was discovered in function nl80211_send_chandef in rtl8812au v5.6.4.2 allows attackers to cause a denial of service.","modified":"2026-01-20T17:06:28.005773Z","published":"2023-08-22T19:16:00Z","upstream":["CVE-2020-26652"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-26652"},{"type":"REPORT","url":"https://github.com/aircrack-ng/rtl8812au/issues/730"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-26652"}],"affected":[{"package":{"name":"rtl8812au","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/rtl8812au@4.3.8.12175.20140902+dfsg-0ubuntu2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.8.12175.20140902+dfsg-0ubuntu1","4.3.8.12175.20140902+dfsg-0ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"rtl8812au-dkms","binary_version":"4.3.8.12175.20140902+dfsg-0ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26652.json"}},{"package":{"name":"rtl8812au","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/rtl8812au@4.3.8.12175.20140902+dfsg-0ubuntu12~ubuntu18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.8.12175.20140902+dfsg-0ubuntu7","4.3.8.12175.20140902+dfsg-0ubuntu8","4.3.8.12175.20140902+dfsg-0ubuntu8.1","4.3.8.12175.20140902+dfsg-0ubuntu12~ubuntu18.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"rtl8812au-dkms","binary_version":"4.3.8.12175.20140902+dfsg-0ubuntu12~ubuntu18.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26652.json"}},{"package":{"name":"rtl8812au","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/rtl8812au@4.3.8.12175.20140902+dfsg-0ubuntu13~20.04.4?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.8.12175.20140902+dfsg-0ubuntu12","4.3.8.12175.20140902+dfsg-0ubuntu13~20.04.1","4.3.8.12175.20140902+dfsg-0ubuntu13~20.04.2","4.3.8.12175.20140902+dfsg-0ubuntu13~20.04.3","4.3.8.12175.20140902+dfsg-0ubuntu13~20.04.4"],"ecosystem_specific":{"binaries":[{"binary_name":"rtl8812au-dkms","binary_version":"4.3.8.12175.20140902+dfsg-0ubuntu13~20.04.4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26652.json"}},{"package":{"name":"rtl8812au","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/rtl8812au@4.3.8.12175.20140902+dfsg-0ubuntu17~22.04.2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.8.12175.20140902+dfsg-0ubuntu14","4.3.8.12175.20140902+dfsg-0ubuntu15","4.3.8.12175.20140902+dfsg-0ubuntu17~22.04.1","4.3.8.12175.20140902+dfsg-0ubuntu17~22.04.2"],"ecosystem_specific":{"binaries":[{"binary_name":"rtl8812au-dkms","binary_version":"4.3.8.12175.20140902+dfsg-0ubuntu17~22.04.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26652.json"}},{"package":{"name":"rtl8812au","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/rtl8812au@4.3.8.12175.20140902+dfsg-0ubuntu23.1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.8.12175.20140902+dfsg-0ubuntu20","4.3.8.12175.20140902+dfsg-0ubuntu21","4.3.8.12175.20140902+dfsg-0ubuntu22","4.3.8.12175.20140902+dfsg-0ubuntu23","4.3.8.12175.20140902+dfsg-0ubuntu23.1"],"ecosystem_specific":{"binaries":[{"binary_name":"rtl8812au-dkms","binary_version":"4.3.8.12175.20140902+dfsg-0ubuntu23.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26652.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}