# golang.org/x/net/http2 (Go) vulnerabilities

8 known vulnerabilities (4 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://pkg.go.dev/golang.org/x/net/http2

## Advisories (8)

### [CVE-2026-33814](https://cve.now/CVE-2026-33814): Infinite loop in HTTP/2 transport when given bad SETTINGS\_MAX\_FRAME\_SIZE in net/http/internal/http2 in golang.org/x/net

- Severity: High 7.5
- Published: May 7, 2026
- Affected: fixed in 0.53.0.

### [CVE-2026-27141](https://cve.now/CVE-2026-27141): Sending certain HTTP/2 frames can cause a server to panic in golang.org/x/net

- Severity: High 7.5
- Published: Feb 26, 2026
- Affected: from 0.50.0, fixed in 0.51.0.

### [CVE-2023-45288](https://cve.now/CVE-2023-45288): HTTP/2 CONTINUATION flood in net/http

- Severity: High 7.5
- Published: Apr 4, 2024
- Affected: fixed in 0.23.0; fixed in 0.23.0.

### [CVE-2023-39325](https://cve.now/CVE-2023-39325): HTTP/2 rapid reset can cause excessive work in net/http

- Severity: Unrated
- Published: Oct 11, 2023
- Affected: fixed in 0.17.0.

### [CVE-2022-41723](https://cve.now/CVE-2022-41723): Denial of service via crafted HTTP/2 stream in net/http and golang.org/x/net

- Severity: High 7.5
- Published: Feb 28, 2023
- Affected: fixed in 0.7.0.

### [CVE-2022-41717](https://cve.now/CVE-2022-41717): Excessive memory growth in net/http and golang.org/x/net/http2

- Severity: Unrated
- Published: Dec 8, 2022
- Affected: fixed in 0.4.0; fixed in 0.4.0.

### [CVE-2022-27664](https://cve.now/CVE-2022-27664): In net/http in Go before 1.18.6 and 1.19.x before 1.19.1, attackers can cause a denial of service because an HTTP/2 connection can hang…

- Severity: Unrated
- Published: Sep 6, 2022
- Affected: fixed in 0.0.0-20220906165146-f3363e06e74c.

### [CVE-2021-44716](https://cve.now/CVE-2021-44716): net/http in Go before 1.16.12 and 1.17.x before 1.17.5 allows uncontrolled memory consumption in the header canonicalization cache via…

- Severity: Unrated
- Published: Jan 1, 2022
- Affected: fixed in 0.0.0-20211209124913-491a49abca63.

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