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Ubuntu Security Notice USN-5536-1
July 28, 2022

firefox vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Firefox could be made to crash or run programs as your login if it
opened a malicious website.

Software Description:
- firefox: Mozilla Open Source web browser

Details:

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 mouse
pointer position, bypass Subresource Integrity protections, obtain
sensitive information, or execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  firefox                         103.0+build1-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
  firefox                         103.0+build1-0ubuntu0.18.04.1

After a standard system update you need to restart Firefox to make
all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-5536-1
  CVE-2022-2505, CVE-2022-36315, CVE-2022-36316, CVE-2022-36318,
  CVE-2022-36319, CVE-2022-36320

Package Information:
  https://launchpad.net/ubuntu/+source/firefox/103.0+build1-0ubuntu0.20.04.1
  https://launchpad.net/ubuntu/+source/firefox/103.0+build1-0ubuntu0.18.04.1