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  • C
Improper Restriction of Operations within the Bounds of a Memory BufferCVE-2026-84143
Affects Firefox-ESR | Versions [,140.15)[150,153.2)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • C
Improper Restriction of Operations within the Bounds of a Memory BufferCVE-2026-84143
Affects Firefox | Versions [,155)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Improper Restriction of Operations within the Bounds of a Memory BufferCVE-2026-84145
Affects Firefox-ESR | Versions [,115.40)[140,140.15)[150,153.2)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Improper Restriction of Operations within the Bounds of a Memory BufferCVE-2026-84145
Affects Firefox | Versions [,155)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • C
Improper Restriction of Operations within the Bounds of a Memory BufferCVE-2026-84144
Affects Firefox-ESR | Versions [,153.2)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • C
Improper Restriction of Operations within the Bounds of a Memory BufferCVE-2026-84144
Affects Firefox | Versions [,155)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Use After FreeCVE-2026-84124
Affects Firefox-ESR | Versions [,140.15)[150,153.2)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Use After FreeCVE-2026-84124
Affects Firefox | Versions [,155)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Use After FreeCVE-2026-84125
Affects Firefox-ESR | Versions [,153.2)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Use After FreeCVE-2026-84125
Affects Firefox | Versions [,155)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Improper Privilege ManagementCVE-2026-84117
Affects Firefox | Versions [,155)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • M
Protection Mechanism FailureCVE-2026-100828
Affects Firefox | Versions [,157)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • M
Protection Mechanism FailureCVE-2026-100828
Affects Firefox-ESR | Versions [,153.4)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • C
Improper Restriction of Operations within the Bounds of a Memory BufferCVE-2026-100817
Affects Firefox | Versions [,157)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Use After FreeCVE-2026-100831
Affects Firefox | Versions [,157)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Use After FreeCVE-2026-100831
Affects Firefox-ESR | Versions [,153.4)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Use After FreeCVE-2026-100797
Affects Firefox | Versions [,157)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Use After FreeCVE-2026-100797
Affects Firefox-ESR | Versions [,115.42)[140,140.17)[150,153.4)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Improper Restriction of Operations within the Bounds of a Memory BufferCVE-2026-100792
Affects Firefox | Versions [,157)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Improper Restriction of Operations within the Bounds of a Memory BufferCVE-2026-100792
Affects Firefox-ESR | Versions [,140.17)[150,153.4)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • C
Use After FreeCVE-2026-100786
Affects Firefox | Versions [,157)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • C
Use After FreeCVE-2026-100786
Affects Firefox-ESR | Versions [,115.42)[140,140.17)[150,153.4)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Use After FreeCVE-2026-100769
Affects Firefox | Versions [,157)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Use After FreeCVE-2026-100769
Affects Firefox-ESR | Versions [,140.17)[150,153.4)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Use After FreeCVE-2026-100765
Affects Firefox | Versions [,157)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Use After FreeCVE-2026-100765
Affects Firefox-ESR | Versions [,153.4)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Use After FreeCVE-2026-100767
Affects Firefox | Versions [,157)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • H
Use After FreeCVE-2026-100767
Affects Firefox-ESR | Versions [,115.42)[140,140.17)[150,153.4)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • C
Use After FreeCVE-2026-100811
Affects Firefox | Versions [,157)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026
  • C
Use After FreeCVE-2026-100811
Affects Firefox-ESR | Versions [,140.17)[150,153.4)
Has fix
Unmanaged (C/C++)Published 7 Oct 2026