USN-5726-1

Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, spoof the contents of the addressbar, bypass security restrictions, cross-site tracing or execute arbitrary code. (CVE-2022-45403, CVE-2022-45404, CVE-2022-45405, CVE-2022-45406, CVE-2022-45407, CVE-2022-45408, CVE-2022-45409, CVE-2022-45410, CVE-2022-45411, CVE-2022-45413, CVE-2022-40674, CVE-2022-45418, CVE-2022-45419, CVE-2022-45420, CVE-2022-45421)

Armin Ebert discovered that Firefox did not properly manage while resolving file symlink. If a user were tricked into opening a specially crafted weblink, an attacker could potentially exploit these to cause a denial of service. (CVE-2022-45412)

Jefferson Scher and Jayateertha Guruprasad discovered that Firefox did not properly sanitize the HTML download file extension under certain circumstances. If a user were tricked into downloading and executing malicious content, a remote attacker could execute arbitrary code with the privileges of the user invoking the programs. (CVE-2022-45415)

Erik Kraft, Martin Schwarzl, and Andrew McCreight discovered that Firefox incorrectly handled keyboard events. An attacker could possibly use this issue to perform a timing side-channel attack and possibly figure out which keys are being pressed. (CVE-2022-45416)

Kagami discovered that Firefox did not detect Private Browsing Mode correctly. An attacker could possibly use this issue to obtain sensitive information about Private Browsing Mode. (CVE-2022-45417)