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"
}{
"cpe": [
"cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*",
"cpe:2.3:a:traefik:traefik:2.9.0:rc1:*:*:*:*:*:*",
"cpe:2.3:a:traefik:traefik:2.9.0:rc2:*:*:*:*:*:*",
"cpe:2.3:a:traefik:traefik:2.9.0:rc3:*:*:*:*:*:*",
"cpe:2.3:a:traefik:traefik:2.9.0:rc4:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "2.8.8"
},
{
"introduced": "2.9.0-rc1"
},
{
"last_affected": "2.9.0-rc1"
},
{
"introduced": "2.9.0-rc2"
},
{
"last_affected": "2.9.0-rc2"
},
{
"introduced": "2.9.0-rc3"
},
{
"last_affected": "2.9.0-rc3"
},
{
"introduced": "2.9.0-rc4"
},
{
"last_affected": "2.9.0-rc4"
}
],
"source": [
"CPE_RANGE",
"CPE_STRING",
"REFERENCES"
]
}