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Ubuntu Security Notice USN-4978-1

Posted Jun 3, 2021

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4978-1 - 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, re-enable camera devices without an additional permission prompt, spoof the browser UI, or execute arbitrary code. It was discovered that filenames printed from private browsing mode were incorrectly retained in preferences. A local attacker could potentially exploit this to obtain sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, local, spoof

systems | linux, ubuntu

advisories | CVE-2021-29959, CVE-2021-29960, CVE-2021-29966, CVE-2021-29967

SHA-256 | ce7cb751faf214f237878175293abf7868671eed89542795ea494fa088d21830

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