CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS
Percentile
9.0%
A vulnerability in the IKEv1 fragmentation code of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a heap overflow, resulting in an affected device reloading.
This vulnerability exists because crafted, fragmented IKEv1 packets are not properly reassembled. An attacker could exploit this vulnerability by sending crafted UDP packets to an affected system. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.
Note: Only traffic that is directed to the affected system can be used to exploit this vulnerability. This vulnerability can be triggered by IPv4 and IPv6 traffic.
[
{
"vendor": "Cisco",
"product": "IOS",
"versions": [
{
"version": "15.1(2)SG8",
"status": "affected"
},
{
"version": "15.2(4)M11",
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},
{
"version": "15.1(2)SY8",
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{
"version": "15.1(2)SY9",
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{
"version": "15.1(2)SY10",
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{
"version": "15.1(2)SY11",
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{
"version": "15.1(2)SY12",
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{
"version": "15.1(2)SY13",
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{
"version": "15.1(2)SY14",
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{
"version": "15.1(2)SY15",
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},
{
"version": "15.1(2)SY16",
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{
"version": "15.3(3)S8",
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{
"version": "15.3(3)S9",
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{
"version": "15.3(3)S10",
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{
"version": "15.3(3)S8a",
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{
"version": "15.2(4)E2",
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{
"version": "15.2(3)E4",
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{
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{
"version": "15.2(4)E3",
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{
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{
"version": "15.4(3)S6",
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{
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{
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{
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{
"version": "15.4(3)S10",
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{
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{
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"version": "15.2(1)SY8",
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{
"version": "15.5(3)S3",
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{
"version": "15.5(1)S4",
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{
"version": "15.5(2)S4",
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{
"version": "15.5(3)S4",
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{
"version": "15.5(3)S5",
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{
"version": "15.5(3)S6",
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{
"version": "15.5(3)S6a",
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{
"version": "15.5(3)S7",
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{
"version": "15.5(3)S6b",
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{
"version": "15.5(3)S8",
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{
"version": "15.5(3)S9",
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"version": "15.5(3)S10",
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{
"version": "15.5(3)S9a",
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{
"version": "15.5(2)T4",
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{
"version": "15.2(5)EA",
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{
"version": "15.2(4)EA4",
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{
"version": "15.2(4)EA5",
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{
"version": "15.2(4)EA6",
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{
"version": "15.2(4)EA7",
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{
"version": "15.2(4)EA8",
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{
"version": "15.2(4)EA9",
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{
"version": "15.2(4)EA9a",
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{
"version": "15.5(3)M3",
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{
"version": "15.5(3)M4",
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{
"version": "15.5(3)M4a",
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{
"version": "15.5(3)M5",
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{
"version": "15.5(3)M6",
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{
"version": "15.5(3)M7",
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{
"version": "15.5(3)M6a",
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{
"version": "15.5(3)M8",
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{
"version": "15.5(3)M9",
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{
"version": "15.5(3)M10",
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{
"version": "15.3(1)SY1",
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{
"version": "15.3(1)SY2",
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{
"version": "15.2(4)EC1",
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{
"version": "15.2(4)EC2",
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{
"version": "15.4(1)SY",
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{
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{
"version": "15.4(1)SY2",
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{
"version": "15.4(1)SY3",
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{
"version": "15.4(1)SY4",
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"version": "15.5(1)SY3",
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{
"version": "15.5(1)SY4",
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"version": "15.5(1)SY5",
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{
"version": "15.5(1)SY6",
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"version": "15.5(1)SY7",
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"version": "15.5(1)SY9",
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"version": "15.5(1)SY10",
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{
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{
"version": "15.7(3)M1",
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{
"version": "15.7(3)M0a",
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{
"version": "15.7(3)M3",
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{
"version": "15.7(3)M2",
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{
"version": "15.7(3)M4",
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{
"version": "15.7(3)M5",
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{
"version": "15.7(3)M4a",
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{
"version": "15.7(3)M4b",
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{
"version": "15.7(3)M6",
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{
"version": "15.7(3)M7",
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{
"version": "15.7(3)M8",
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{
"version": "15.7(3)M9",
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{
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{
"version": "15.8(3)M1",
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{
"version": "15.8(3)M0a",
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{
"version": "15.8(3)M0b",
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{
"version": "15.8(3)M2",
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{
"version": "15.8(3)M1a",
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{
"version": "15.8(3)M3",
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{
"version": "15.8(3)M4",
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{
"version": "15.8(3)M3a",
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{
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{
"version": "15.8(3)M5",
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{
"version": "15.8(3)M6",
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{
"version": "15.8(3)M7",
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{
"version": "15.8(3)M8",
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{
"version": "15.8(3)M9",
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{
"version": "15.8(3)M10",
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{
"version": "15.9(3)M",
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{
"version": "15.9(3)M1",
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{
"version": "15.9(3)M0a",
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{
"version": "15.9(3)M2",
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{
"version": "15.9(3)M3",
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{
"version": "15.9(3)M2a",
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{
"version": "15.9(3)M3a",
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{
"version": "15.9(3)M4",
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{
"version": "15.9(3)M3b",
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{
"version": "15.9(3)M5",
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{
"version": "15.9(3)M4a",
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{
"version": "15.9(3)M6",
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{
"version": "15.9(3)M7",
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{
"version": "15.9(3)M6a",
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{
"version": "15.9(3)M6b",
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{
"version": "15.9(3)M7a",
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{
"version": "15.3(3)JPI11",
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}
]
},
{
"vendor": "Cisco",
"product": "Cisco IOS XE Software",
"versions": [
{
"version": "3.4.8SG",
"status": "affected"
},
{
"version": "3.10.8S",
"status": "affected"
},
{
"version": "3.10.8aS",
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{
"version": "3.10.9S",
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{
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{
"version": "3.13.6S",
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{
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{
"version": "3.13.6aS",
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{
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{
"version": "3.13.8S",
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{
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{
"version": "3.13.10S",
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{
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{
"version": "3.15.4S",
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{
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{
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{
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{
"version": "3.16.3aS",
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{
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{
"version": "3.16.4aS",
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{
"version": "3.16.4bS",
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{
"version": "3.16.5S",
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},
{
"version": "3.16.4dS",
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{
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{
"version": "3.16.7S",
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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"status": "affected"
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{
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{
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{
"version": "16.10.1e",
"status": "affected"
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{
"version": "16.10.1d",
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{
"version": "16.10.2",
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{
"version": "16.10.1f",
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{
"version": "16.10.1g",
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{
"version": "16.10.3",
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{
"version": "16.11.1",
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"version": "16.11.1a",
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"version": "16.11.1b",
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{
"version": "16.11.2",
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{
"version": "16.12.1",
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{
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{
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{
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{
"version": "16.12.1w",
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{
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{
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{
"version": "16.12.2a",
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{
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{
"version": "16.12.8",
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]
}
]