CVE-2022-45407

Summary

If an attacker loaded a font using <code>FontFace()</code> on a background worker, a use-after-free could have occurred, leading to a potentially exploitable crash. This vulnerability affects Firefox < 107.

Affected Software

Weaknesses

• Loading fonts on workers was not thread-safe

ADP Enrichment

CVE Program Container

Additional References

• https://www.mozilla.org/security/advisories/mfsa2022-47/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1793314

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://www.mozilla.org/security/advisories/mfsa2022-47/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1793314

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