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HIGH: 7.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
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3.16.1S
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3.16.1aS
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3.16.2S
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3.16.2aS
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3.16.0cS
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3.16.3S
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3.16.2bS
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3.16.5S
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3.16.4dS
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3.16.6S
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3.16.8S
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3.16.10S
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3.17.0S
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3.17.1S
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3.17.2S
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3.17.1aS
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3.17.3S
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3.17.4S
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16.1.1
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16.1.2
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16.1.3
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16.2.1
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16.2.2
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16.3.1
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16.3.2
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16.3.3
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16.3.1a
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16.3.4
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16.3.5
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16.3.5b
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16.3.6
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16.3.10
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16.3.11
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16.4.1
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16.4.3
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16.5.1
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16.5.1a
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16.5.1b
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16.5.2
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16.5.3
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3.18.0aS
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3.18.0S
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3.18.1S
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3.18.2S
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3.18.3S
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3.18.4S
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3.18.0SP
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3.18.1SP
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3.18.1aSP
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3.18.1bSP
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3.18.1cSP
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3.18.2SP
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3.18.2aSP
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3.18.3SP
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3.18.4SP
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3.18.3aSP
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3.18.3bSP
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3.18.5SP
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3.18.6SP
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3.18.7SP
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3.18.8aSP
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3.18.9SP
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16.6.1
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16.6.2
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16.6.3
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16.6.4
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16.6.5
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16.6.4a
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16.6.5a
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16.6.6
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16.6.8
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16.6.9
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16.6.10
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16.7.1
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16.7.1a
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16.7.1b
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16.7.2
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16.7.3
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16.7.4
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16.8.1
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16.8.1a
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16.8.1b
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16.8.1s
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16.8.1c
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16.8.1d
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16.8.2
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16.8.1e
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16.8.3
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16.9.1
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16.9.2
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16.9.1a
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16.9.1b
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16.9.1s
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16.9.3
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16.9.4
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16.9.3a
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16.9.5
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16.9.5f
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16.9.6
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16.10.1
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16.10.1a
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16.10.1b
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16.10.1s
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16.10.1c
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16.10.1e
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16.10.1d
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16.10.2
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16.10.1f
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16.10.1g
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16.10.3
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16.11.1
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16.11.1a
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16.11.1b
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16.11.2
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16.11.1s
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16.12.1
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16.12.1s
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16.12.1a
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16.12.1c
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16.12.1w
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16.12.2
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16.12.1y
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16.12.2a
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16.12.3
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16.12.8
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16.12.2s
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16.12.1x
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16.12.1t
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16.12.4
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16.12.3s
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16.12.3a
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16.12.4a
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16.12.5
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16.12.6
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16.12.1z1
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16.12.5a
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16.12.5b
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16.12.1z2
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16.12.6a
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16.12.7
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16.12.10a
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16.12.11
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16.12.12
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16.12.13
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17.1.1
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17.1.1a
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17.1.1s
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17.1.3
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17.2.1
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17.2.1r
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17.2.1v
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17.3.1
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17.3.3
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17.3.1a
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17.3.1w
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17.3.2a
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17.3.1x
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17.3.1z
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17.3.4
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17.3.5
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17.3.4a
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17.3.4b
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17.3.4c
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17.3.5a
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17.3.5b
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17.3.7
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17.3.8a
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17.4.1
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17.4.1a
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17.5.1
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17.5.1a
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17.6.1
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17.6.2
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17.6.1w
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17.6.1a
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17.6.1x
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17.6.3a
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17.6.4
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17.6.1z1
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17.6.6a
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17.6.7
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17.6.8a
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17.7.1
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17.7.1a
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17.10.1
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17.10.1a
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17.8.1
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17.8.1a
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17.9.1
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17.9.1w
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17.9.1a
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17.9.1x
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17.9.1y
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17.9.2a
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17.9.1x1
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17.9.4
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17.9.1y1
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17.9.5
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17.9.4a
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17.9.5a
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17.9.5b
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17.9.6
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17.9.6a
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17.9.5e
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17.11.1
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17.11.1a
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17.12.1
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17.12.1w
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17.12.1x
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17.12.2
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17.12.2a
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17.12.4
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17.12.3a
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17.12.1z1
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17.12.4a
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17.12.4b
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17.13.1
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17.13.1a
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17.14.1
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17.14.1a
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Description
A vulnerability in the Cisco Express Forwarding functionality of Cisco IOS XE Software for Cisco ASR 903 Aggregation Services Routers with Route Switch Processor 3 (RSP3C) could allow an unauthenticated, adjacent attacker to trigger a denial of service (DoS) condition. This vulnerability is due to improper memory management when Cisco IOS XE Software is processing Address Resolution Protocol (ARP) messages. An attacker could exploit this vulnerability by sending crafted ARP messages at a high rate over a period of time to an affected device. A successful exploit could allow the attacker to exhaust system resources, which eventually triggers a reload of the active route switch processor (RSP). If a redundant RSP is not present, the router reloads.
Problem types
Mismatched Memory Management Routines
Product status
3.16.1S
3.16.1aS
3.16.2S
3.16.2aS
3.16.0cS
3.16.3S
3.16.2bS
3.16.3aS
3.16.4S
3.16.4aS
3.16.4bS
3.16.5S
3.16.4dS
3.16.6S
3.16.7S
3.16.6bS
3.16.7aS
3.16.7bS
3.16.8S
3.16.9S
3.16.10S
3.17.0S
3.17.1S
3.17.2S
3.17.1aS
3.17.3S
3.17.4S
16.1.1
16.1.2
16.1.3
16.2.1
16.2.2
16.3.1
16.3.2
16.3.3
16.3.1a
16.3.4
16.3.5
16.3.5b
16.3.6
16.3.7
16.3.8
16.3.9
16.3.10
16.3.11
16.4.1
16.4.2
16.4.3
16.5.1
16.5.1a
16.5.1b
16.5.2
16.5.3
3.18.0aS
3.18.0S
3.18.1S
3.18.2S
3.18.3S
3.18.4S
3.18.0SP
3.18.1SP
3.18.1aSP
3.18.1bSP
3.18.1cSP
3.18.2SP
3.18.2aSP
3.18.3SP
3.18.4SP
3.18.3aSP
3.18.3bSP
3.18.5SP
3.18.6SP
3.18.7SP
3.18.8aSP
3.18.9SP
16.6.1
16.6.2
16.6.3
16.6.4
16.6.5
16.6.4a
16.6.5a
16.6.6
16.6.7
16.6.8
16.6.9
16.6.10
16.7.1
16.7.1a
16.7.1b
16.7.2
16.7.3
16.7.4
16.8.1
16.8.1a
16.8.1b
16.8.1s
16.8.1c
16.8.1d
16.8.2
16.8.1e
16.8.3
16.9.1
16.9.2
16.9.1a
16.9.1b
16.9.1s
16.9.3
16.9.4
16.9.3a
16.9.5
16.9.5f
16.9.6
16.9.7
16.9.8
16.10.1
16.10.1a
16.10.1b
16.10.1s
16.10.1c
16.10.1e
16.10.1d
16.10.2
16.10.1f
16.10.1g
16.10.3
16.11.1
16.11.1a
16.11.1b
16.11.2
16.11.1s
16.12.1
16.12.1s
16.12.1a
16.12.1c
16.12.1w
16.12.2
16.12.1y
16.12.2a
16.12.3
16.12.8
16.12.2s
16.12.1x
16.12.1t
16.12.4
16.12.3s
16.12.3a
16.12.4a
16.12.5
16.12.6
16.12.1z1
16.12.5a
16.12.5b
16.12.1z2
16.12.6a
16.12.7
16.12.9
16.12.10
16.12.10a
16.12.11
16.12.12
16.12.13
17.1.1
17.1.1a
17.1.1s
17.1.1t
17.1.3
17.2.1
17.2.1r
17.2.1a
17.2.1v
17.2.2
17.2.3
17.3.1
17.3.2
17.3.3
17.3.1a
17.3.1w
17.3.2a
17.3.1x
17.3.1z
17.3.4
17.3.5
17.3.4a
17.3.6
17.3.4b
17.3.4c
17.3.5a
17.3.5b
17.3.7
17.3.8
17.3.8a
17.4.1
17.4.2
17.4.1a
17.4.1b
17.4.2a
17.5.1
17.5.1a
17.6.1
17.6.2
17.6.1w
17.6.1a
17.6.1x
17.6.3
17.6.1y
17.6.1z
17.6.3a
17.6.4
17.6.1z1
17.6.5
17.6.6
17.6.6a
17.6.5a
17.6.7
17.6.8
17.6.8a
17.7.1
17.7.1a
17.7.1b
17.7.2
17.10.1
17.10.1a
17.10.1b
17.8.1
17.8.1a
17.9.1
17.9.1w
17.9.2
17.9.1a
17.9.1x
17.9.1y
17.9.3
17.9.2a
17.9.1x1
17.9.3a
17.9.4
17.9.1y1
17.9.5
17.9.4a
17.9.5a
17.9.5b
17.9.6
17.9.6a
17.9.5e
17.9.5f
17.11.1
17.11.1a
17.12.1
17.12.1w
17.12.1x
17.12.2
17.12.3
17.12.2a
17.12.1y
17.12.1z
17.12.4
17.12.3a
17.12.1z1
17.12.4a
17.12.4b
17.13.1
17.13.1a
17.14.1
17.14.1a
References
sec.cloudapps.cisco.com/...o-sa-asr903-rsp3-arp-dos-WmfzdvJZ (cisco-sa-asr903-rsp3-arp-dos-WmfzdvJZ)