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20 vulnerabilities found for ios_xr by cisco
CVE-2023-44487 (GCVE-0-2023-44487)
Vulnerability from nvd
Published
2023-10-10 00:00
Modified
2025-11-04 21:08
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
References
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{
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{
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},
{
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"tags": [
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},
{
"name": "[debian-lts-announce] 20231031 [SECURITY] [DLA 3638-1] h2o security update",
"tags": [
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],
"url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00047.html"
},
{
"url": "https://discuss.hashicorp.com/t/hcsec-2023-32-vault-consul-and-boundary-affected-by-http-2-rapid-reset-denial-of-service-vulnerability-cve-2023-44487/59715"
},
{
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},
{
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},
{
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},
{
"name": "FEDORA-2023-7934802344",
"tags": [
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{
"name": "FEDORA-2023-dbe64661af",
"tags": [
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{
"name": "FEDORA-2023-822aab0a5a",
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},
{
"name": "[debian-lts-announce] 20231105 [SECURITY] [DLA 3645-1] trafficserver security update",
"tags": [
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},
{
"name": "DSA-5549",
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{
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"tags": [
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},
{
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"tags": [
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WE2I52RHNNU42PX6NZ2RBUHSFFJ2LVZX/"
},
{
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"tags": [
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"url": "https://www.debian.org/security/2023/dsa-5558"
},
{
"name": "[debian-lts-announce] 20231119 [SECURITY] [DLA 3656-1] netty security update",
"tags": [
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},
{
"name": "GLSA-202311-09",
"tags": [
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],
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},
{
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"url": "https://www.debian.org/security/2023/dsa-5570"
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{
"url": "https://security.netapp.com/advisory/ntap-20240426-0007/"
},
{
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},
{
"url": "https://security.netapp.com/advisory/ntap-20240621-0007/"
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{
"url": "https://github.com/grpc/grpc/releases/tag/v1.59.2"
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"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http2-reset-d8Kf32vZ"
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CVE-2022-20821 (GCVE-0-2022-20821)
Vulnerability from nvd
Published
2022-05-26 14:00
Modified
2025-10-21 23:15
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A vulnerability in the health check RPM of Cisco IOS XR Software could allow an unauthenticated, remote attacker to access the Redis instance that is running within the NOSi container. This vulnerability exists because the health check RPM opens TCP port 6379 by default upon activation. An attacker could exploit this vulnerability by connecting to the Redis instance on the open port. A successful exploit could allow the attacker to write to the Redis in-memory database, write arbitrary files to the container filesystem, and retrieve information about the Redis database. Given the configuration of the sandboxed container that the Redis instance runs in, a remote attacker would be unable to execute remote code or abuse the integrity of the Cisco IOS XR Software host system.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Version: n/a |
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CVE-2020-3569 (GCVE-0-2020-3569)
Vulnerability from nvd
Published
2020-09-23 00:25
Modified
2025-10-21 23:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Multiple vulnerabilities in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to either immediately crash the Internet Group Management Protocol (IGMP) process or make it consume available memory and eventually crash. The memory consumption may negatively impact other processes that are running on the device. These vulnerabilities are due to the incorrect handling of IGMP packets. An attacker could exploit these vulnerabilities by sending crafted IGMP traffic to an affected device. A successful exploit could allow the attacker to immediately crash the IGMP process or cause memory exhaustion, resulting in other processes becoming unstable. These processes may include, but are not limited to, interior and exterior routing protocols. Cisco will release software updates that address these vulnerabilities.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Version: n/a |
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CVE-2020-3566 (GCVE-0-2020-3566)
Vulnerability from nvd
Published
2020-08-29 15:15
Modified
2025-10-21 23:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A vulnerability in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust process memory of an affected device. The vulnerability is due to insufficient queue management for Internet Group Management Protocol (IGMP) packets. An attacker could exploit this vulnerability by sending crafted IGMP traffic to an affected device. A successful exploit could allow the attacker to cause memory exhaustion, resulting in instability of other processes. These processes may include, but are not limited to, interior and exterior routing protocols. Cisco will release software updates that address this vulnerability.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Version: n/a |
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CVE-2020-3118 (GCVE-0-2020-3118)
Vulnerability from nvd
Published
2020-02-05 17:40
Modified
2025-10-21 23:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A vulnerability in the Cisco Discovery Protocol implementation for Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a reload on an affected device. The vulnerability is due to improper validation of string input from certain fields in Cisco Discovery Protocol messages. An attacker could exploit this vulnerability by sending a malicious Cisco Discovery Protocol packet to an affected device. A successful exploit could allow the attacker to cause a stack overflow, which could allow the attacker to execute arbitrary code with administrative privileges on an affected device. Cisco Discovery Protocol is a Layer 2 protocol. To exploit this vulnerability, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Version: unspecified < 6.6.3 |
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CVE-2018-0175 (GCVE-0-2018-0175)
Vulnerability from nvd
Published
2018-03-28 22:00
Modified
2025-10-21 23:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Format String vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. Cisco Bug IDs: CSCvd73664.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Cisco IOS, IOS XE, and IOS XR |
Version: Cisco IOS, IOS XE, and IOS XR |
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CVE-2018-0167 (GCVE-0-2018-0167)
Vulnerability from nvd
Published
2018-03-28 22:00
Modified
2025-10-21 23:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Multiple Buffer Overflow vulnerabilities in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. Cisco Bug IDs: CSCuo17183, CSCvd73487.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Cisco IOS, IOS XE, and IOS XR |
Version: Cisco IOS, IOS XE, and IOS XR |
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CVE-2016-6415 (GCVE-0-2016-6415)
Vulnerability from nvd
Published
2016-09-19 01:00
Modified
2025-10-21 23:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The server IKEv1 implementation in Cisco IOS 12.2 through 12.4 and 15.0 through 15.6, IOS XE through 3.18S, IOS XR 4.3.x and 5.0.x through 5.2.x, and PIX before 7.0 allows remote attackers to obtain sensitive information from device memory via a Security Association (SA) negotiation request, aka Bug IDs CSCvb29204 and CSCvb36055 or BENIGNCERTAIN.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2010-3035 (GCVE-0-2010-3035)
Vulnerability from nvd
Published
2010-08-30 20:00
Modified
2025-10-22 00:05
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Cisco IOS XR 3.4.0 through 3.9.1, when BGP is enabled, does not properly handle unrecognized transitive attributes, which allows remote attackers to cause a denial of service (peering reset) via a crafted prefix announcement, as demonstrated in the wild in August 2010 with attribute type code 99, aka Bug ID CSCti62211.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
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CVE-2009-2055 (GCVE-0-2009-2055)
Vulnerability from nvd
Published
2009-08-19 17:00
Modified
2025-10-22 00:05
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service (session reset) via a BGP UPDATE message with an invalid attribute, as demonstrated in the wild on 17 August 2009.
References
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CVE-2023-44487 (GCVE-0-2023-44487)
Vulnerability from cvelistv5
Published
2023-10-10 00:00
Modified
2025-11-04 21:08
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2022-20821 (GCVE-0-2022-20821)
Vulnerability from cvelistv5
Published
2022-05-26 14:00
Modified
2025-10-21 23:15
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A vulnerability in the health check RPM of Cisco IOS XR Software could allow an unauthenticated, remote attacker to access the Redis instance that is running within the NOSi container. This vulnerability exists because the health check RPM opens TCP port 6379 by default upon activation. An attacker could exploit this vulnerability by connecting to the Redis instance on the open port. A successful exploit could allow the attacker to write to the Redis in-memory database, write arbitrary files to the container filesystem, and retrieve information about the Redis database. Given the configuration of the sandboxed container that the Redis instance runs in, a remote attacker would be unable to execute remote code or abuse the integrity of the Cisco IOS XR Software host system.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Version: n/a |
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CVE-2020-3569 (GCVE-0-2020-3569)
Vulnerability from cvelistv5
Published
2020-09-23 00:25
Modified
2025-10-21 23:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Multiple vulnerabilities in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to either immediately crash the Internet Group Management Protocol (IGMP) process or make it consume available memory and eventually crash. The memory consumption may negatively impact other processes that are running on the device. These vulnerabilities are due to the incorrect handling of IGMP packets. An attacker could exploit these vulnerabilities by sending crafted IGMP traffic to an affected device. A successful exploit could allow the attacker to immediately crash the IGMP process or cause memory exhaustion, resulting in other processes becoming unstable. These processes may include, but are not limited to, interior and exterior routing protocols. Cisco will release software updates that address these vulnerabilities.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Version: n/a |
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CVE-2020-3566 (GCVE-0-2020-3566)
Vulnerability from cvelistv5
Published
2020-08-29 15:15
Modified
2025-10-21 23:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A vulnerability in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust process memory of an affected device. The vulnerability is due to insufficient queue management for Internet Group Management Protocol (IGMP) packets. An attacker could exploit this vulnerability by sending crafted IGMP traffic to an affected device. A successful exploit could allow the attacker to cause memory exhaustion, resulting in instability of other processes. These processes may include, but are not limited to, interior and exterior routing protocols. Cisco will release software updates that address this vulnerability.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Version: n/a |
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CVE-2020-3118 (GCVE-0-2020-3118)
Vulnerability from cvelistv5
Published
2020-02-05 17:40
Modified
2025-10-21 23:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A vulnerability in the Cisco Discovery Protocol implementation for Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a reload on an affected device. The vulnerability is due to improper validation of string input from certain fields in Cisco Discovery Protocol messages. An attacker could exploit this vulnerability by sending a malicious Cisco Discovery Protocol packet to an affected device. A successful exploit could allow the attacker to cause a stack overflow, which could allow the attacker to execute arbitrary code with administrative privileges on an affected device. Cisco Discovery Protocol is a Layer 2 protocol. To exploit this vulnerability, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Version: unspecified < 6.6.3 |
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CVE-2018-0175 (GCVE-0-2018-0175)
Vulnerability from cvelistv5
Published
2018-03-28 22:00
Modified
2025-10-21 23:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Format String vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. Cisco Bug IDs: CSCvd73664.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Cisco IOS, IOS XE, and IOS XR |
Version: Cisco IOS, IOS XE, and IOS XR |
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CVE-2018-0167 (GCVE-0-2018-0167)
Vulnerability from cvelistv5
Published
2018-03-28 22:00
Modified
2025-10-21 23:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Multiple Buffer Overflow vulnerabilities in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. Cisco Bug IDs: CSCuo17183, CSCvd73487.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | Cisco IOS, IOS XE, and IOS XR |
Version: Cisco IOS, IOS XE, and IOS XR |
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CVE-2016-6415 (GCVE-0-2016-6415)
Vulnerability from cvelistv5
Published
2016-09-19 01:00
Modified
2025-10-21 23:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The server IKEv1 implementation in Cisco IOS 12.2 through 12.4 and 15.0 through 15.6, IOS XE through 3.18S, IOS XR 4.3.x and 5.0.x through 5.2.x, and PIX before 7.0 allows remote attackers to obtain sensitive information from device memory via a Security Association (SA) negotiation request, aka Bug IDs CSCvb29204 and CSCvb36055 or BENIGNCERTAIN.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2010-3035 (GCVE-0-2010-3035)
Vulnerability from cvelistv5
Published
2010-08-30 20:00
Modified
2025-10-22 00:05
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Cisco IOS XR 3.4.0 through 3.9.1, when BGP is enabled, does not properly handle unrecognized transitive attributes, which allows remote attackers to cause a denial of service (peering reset) via a crafted prefix announcement, as demonstrated in the wild in August 2010 with attribute type code 99, aka Bug ID CSCti62211.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2009-2055 (GCVE-0-2009-2055)
Vulnerability from cvelistv5
Published
2009-08-19 17:00
Modified
2025-10-22 00:05
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service (session reset) via a BGP UPDATE message with an invalid attribute, as demonstrated in the wild on 17 August 2009.
References
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|---|---|---|---|---|---|---|---|---|---|---|---|
|
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