Mozilla Releases Security Advisories for Multiple Products

Mozilla has released security advisories to address vulnerabilities in Thunderbird, Firefox and Firefox ESR. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system. 

CISA encourages users and administrators to review the following advisories and apply the necessary updates:

• Security Vulnerabilities fixed in Firefox 113 Mozilla Foundation Security Advisory 2023-16
• Security Vulnerabilities fixed in Firefox ESR 102.11 Mozilla Foundation Security Advisory 2023-17
• Security Vulnerabilities fixed in Thunderbird 102.11 Mozilla Foundation Security Advisory 2023-18

For updates addressing lower severity vulnerabilities, see the Mozilla Foundation Security Advisories page.

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