RLSA-2024:3955

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

This update upgrades Firefox to version 115.12.0 ESR.

Security Fix(es):

• firefox: Use-after-free in networking (CVE-2024-5702)

• firefox: Use-after-free in JavaScript object transplant (CVE-2024-5688)

• firefox: External protocol handlers leaked by timing attack (CVE-2024-5690)

• firefox: Sandboxed iframes were able to bypass sandbox restrictions to open a new window (CVE-2024-5691)

• firefox: Cross-Origin Image leak via Offscreen Canvas (CVE-2024-5693)

• firefox: Memory Corruption in Text Fragments (CVE-2024-5696)

• firefox: Memory safety bugs fixed in Firefox 127, Firefox ESR 115.12, and Thunderbird 115.12 (CVE-2024-5700)

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.