Traefik (pronounced traffic) is a modern HTTP reverse proxy and load balancer that assists in deploying microservices. There is a potential vulnerability in Traefik managing HTTP/2 connections. A closing HTTP/2 server connection could hang forever because of a subsequent fatal error. This failure mode could be exploited to cause a denial of service. There has been a patch released in versions 2.8.8 and 2.9.0-rc5. There are currently no known workarounds.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-400"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39271.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
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}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:traefik:traefik:2.9.0:rc1:*:*:*:*:*:*",
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{
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},
{
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}
],
"source": "CPE_STRING"
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{
"cpe": "cpe:2.3:a:traefik:traefik:2.9.0:rc2:*:*:*:*:*:*",
"range": [
{
"introduced": "2.9.0-rc2"
},
{
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}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:traefik:traefik:2.9.0:rc3:*:*:*:*:*:*",
"range": [
{
"introduced": "2.9.0-rc3"
},
{
"last_affected": "2.9.0-rc3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:traefik:traefik:2.9.0:rc4:*:*:*:*:*:*",
"range": [
{
"introduced": "2.9.0-rc4"
},
{
"last_affected": "2.9.0-rc4"
}
],
"source": "CPE_STRING"
},
{
"original_tag": "v2.8.8",
"range": [
{
"fixed": "3812e6f3cbc31725b8909a226ccec5f29ae59de8"
}
],
"source": "REFERENCES_TAG"
},
{
"original_tag": "v2.9.0-rc5",
"range": [
{
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],
"source": "REFERENCES_TAG"
}
]
}