RLSA-2023:6188

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 115.4.0 ESR.

Security Fix(es):

• Mozilla: Queued up rendering could have allowed websites to clickjack (CVE-2023-5721)

• Mozilla: Memory safety bugs fixed in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4 (CVE-2023-5730)

• libvpx: crash related to VP9 encoding in libvpx (CVE-2023-44488)

• Mozilla: Large WebGL draw could have led to a crash (CVE-2023-5724)

• Mozilla: WebExtensions could open arbitrary URLs (CVE-2023-5725)

• Mozilla: Improper object tracking during GC in the JavaScript engine could have led to a crash. (CVE-2023-5728)

• Mozilla: Address bar spoofing via bidirectional characters (CVE-2023-5732)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.