How severe is CVE-2022-41717?

CVE-2022-41717 has a CVSS score of 5.3/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2022-41717?

CVE-2022-41717 affects the following packages: golang.org/x/net/http2 (Go), golang.org/x/net (Go). Ecosystems affected: Go.

How do I fix CVE-2022-41717?

Update golang.org/x/net/http2 to 0.4.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-41717 is resolved across your whole dependency graph.

How do I detect CVE-2022-41717 in my Go dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for golang.org/x/net/http2, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2022-41717 if there is no patch (or I can't update yet)?

Cap what an attacker can consume: apply request size, rate and timeout limits in front of the affected component, and run it with memory and CPU limits so exhaustion degrades one worker rather than the whole service.

Is CVE-2022-41717 actively exploited in the wild?

No public exploit code has been indexed for CVE-2022-41717 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2022-41717?

CVE-2022-41717 has an EPSS (Exploit Prediction Scoring System) score of 6.1%, placing it in the 93th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2022-41717?

CVE-2022-41717 is classified as CWE-770 (CWE-770). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was CVE-2022-41717 published, and has it been updated?

CVE-2022-41717 was published on December 8, 2022 and was last updated on October 28, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐹

🐹 Go

Not in CISA KEV

MEDIUM severity

CVE-2022-41717 — net/http2

MEDIUM

CVE-2022-41717 is a medium-severity (CVSS 5.3) CWE-770 vulnerability in golang.org/x/net/http2. A fix is available for golang.org/x/net/http2 — see the affected versions and patch details below.

Excessive memory growth in net/http and golang.org/x/net/http2

Also known asBIT-golang-2022-41717GHSA-xrjj-mj9h-534mGO-2022-1144

Published

Dec 8, 2022

Updated

Oct 28, 2026

Affected

2 pkgs

Patched

2 / 2

Exploits

None indexed

Exploitation data as of Nov 2, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

6.1%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs93th percentile — riskier than 93% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

2 pkgs affected

🐹golang.org/x/net/http2🐹golang.org/x/net

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

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.

Affected Packages

2 total 2 fixed

Ecosystem	Package	Vulnerable range	Fix
🐹Go	`golang.org/x/net/http2`	all versions	0.4.0`go get golang.org/x/net/http2@v0.4.0`
🐹Go	`golang.org/x/net`	all versions	0.4.0`go get golang.org/x/net@v0.4.0`

Affected Products

3 products · 5 configurations

fedorafedoraproject

2 versions

3738

Application

gogolang

≥ 1.19.0 && < 1.19.4

range

Application

http2golang

< 0.4.0

range

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for golang.org/x/net/http2, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update golang.org/x/net/http2 to 0.4.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-41717 is resolved across your whole dependency graph.
Workarounds
Cap what an attacker can consume: apply request size, rate and timeout limits in front of the affected component, and run it with memory and CPU limits so exhaustion degrades one worker rather than the whole service.

Fixing This On Your OS

If you run this on a Linux distribution, patch through your package manager against the distro's own security advisory below — it tracks the exact backported fix for your release, which can ship on a different timeline (and sometimes a different severity) than the upstream project.

Red HatModerate

Within Red Hat OpenShift Container Platform, the grafana container is listed as will not fix. Since OCP 4.10, Grafana itself is not shipped and the Grafana web server is protected behind an OAuth proxy server.

Product	Fixed in	Advisory
Logging subsystem for Red Hat OpenShift 5.4	`openshift-logging/lokistack-gateway-rhel8:v5.4.11-10`	RHSA-2023:0632
Logging subsystem for Red Hat OpenShift 5.4	`openshift-logging/eventrouter-rhel8:v0.4.0-95`	RHSA-2023:0931
MTA-6.0-RHEL-8	`mta/mta-admin-addon-rhel8:6.0.1-8`	RHSA-2023:0934
NETWORK-OBSERVABILITY-1.2.0-RHEL-9	`network-observability/network-observability-console-plugin-rhel9:v1.2.0-19`	RHSA-2023:1817
OADP-1.0-RHEL-8	`oadp/oadp-registry-rhel8:1.0.7-3`	RHSA-2023:0692
OADP-1.1-RHEL-8	`oadp/oadp-kubevirt-velero-plugin-rhel8:1.1.2-18`	RHSA-2023:1174
OpenShift Developer Tools and Services for OCP 4.9	`ocp-tools-4/service-binding-operator-bundle:v1.3.3-5`	RHSA-2023:0918
Openshift Serverless 1 on RHEL 8	`openshift-serverless-clients-0:1.6.1-2.el8`	RHSA-2023:1179

Frequently Asked Questions

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