CVE-2024-4774

Summary

The ShmemCharMapHashEntry() code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members. This vulnerability affects Firefox < 126.

Affected Software

Weaknesses

• Undefined behavior in ShmemCharMapHashEntry()

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1886598
• https://www.mozilla.org/security/advisories/mfsa2024-21/

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1886598
• https://www.mozilla.org/security/advisories/mfsa2024-21/

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