When saving a page to PDF, certain font styles could have led to a potential use-after-free crash. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunder — CVE-2024-4770

Summary

Advisory CVE-2024-4770. When saving a page to PDF, certain font styles could have led to a potential use-after-free crash. This vulnerability affects Firefox <… Vendor: Microsoft. Source: MSRC. Threat: high. CVSS 8.8. See the official…

What to do

General, cautious steps (verify details in the official source):

• Prioritize patching or mitigation immediately (treat as actively risky).
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

Read the official source

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