AI Score
Confidence
Low
EPSS
Percentile
47.6%
SSVC
Exploitation
none
Automatable
yes
Technical Impact
partial
HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.
[
{
"cpes": [
"cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*"
],
"vendor": "apache",
"product": "http_server",
"versions": [
{
"status": "affected",
"version": "2.4.17",
"versionType": "semver",
"lessThanOrEqual": "2.4.58"
}
],
"defaultStatus": "unknown"
}
]