CVE-2022-41717
Excessive memory growth in net/http and golang.org/x/net/http2
5.3
MEDIUM
CVSS 3.1
EPSS 0.33%
Description
An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the total number of entries in this cache is capped, an attacker sending very large keys can cause the server to allocate approximately 64 MiB per open connection.
How to fix CVE-2022-41717
To remediate CVE-2022-41717, upgrade the affected package to a fixed version below.
- —upgrade to 1.18.9 or later
- —no fix listed
- —upgrade to 1.19.4-1 or later
- —no fix listed
- —upgrade to 0.4.0 or later
- —upgrade to 0.4.0 or later
- —upgrade to 0.4.0 or later
- —upgrade to 1.18.9 or later
Is CVE-2022-41717 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (8)
- from 0, < 1.18.9, >= 1.19.0, < 1.19.4
- from 0
- from 0, < 1.19.4-1
- from 0
- from 0, < 0.4.0
- from 0, < 0.4.0
- from 0, < 0.4.0
- from 0, < 1.18.9, >= 1.19.0-0, < 1.19.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |