CVE-2022-31740

Summary

On arm64, WASM code could have resulted in incorrect assembly generation leading to a register allocation problem, and a potentially exploitable crash. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.

Affected Software

Weaknesses

• Register allocation problem in WASM on arm64

ADP Enrichment

CVE Program Container

Additional References

• https://www.mozilla.org/security/advisories/mfsa2022-20/
• https://www.mozilla.org/security/advisories/mfsa2022-22/
• https://www.mozilla.org/security/advisories/mfsa2022-21/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1766806

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

• https://www.mozilla.org/security/advisories/mfsa2022-20/
• https://www.mozilla.org/security/advisories/mfsa2022-22/
• https://www.mozilla.org/security/advisories/mfsa2022-21/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1766806

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