Answer in brief
CVE-2022-41717 records a Medium severity (CVSS 5.3) vulnerability in golang.org/x/net/http2 vulnerable to possible excessive memory growth. The current sources do not mark it as known exploited. The current feed maps golang.org/x/net (go), golang.org/x/net/http2 (go). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps golang.org/x/net (go), golang.org/x/net/http2 (go). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| golang.org/x/netgo | >=0 <0.4.0 | 0.4.0 |
| golang.org/x/net/http2go | >=0 <0.4.0 | 0.4.0 |
Published upstream
Dec 8, 2022
Evidence: source:osv:source_dates:source-dates:recordSource modified
Sep 10, 2026
Evidence: source:osv:source_dates:source-dates:recordFirst seen by HOL
Sep 10, 2026
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.
Quoted source text, attributed separately from HOL analysis.