CVE-2022-27664: GO-2022-0969 - Denial of service in net/http and golang.org/x/net/http2

CVE-2022-27664 · Severity: low · CVSS 3.1 · Published 2022-09-12

Denial of service in net/http and golang.org/x/net/http2

Technologies: golang.org/x/net (Go), golang.org/x/net/http2 (Go), stdlib (Go). Vendors: Go.

Quick answers

Is CVE-2022-27664 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2022-27664 being exploited in the wild.
How severe is CVE-2022-27664?
Low severity, with a CVSS score of 3.1, published 12 September 2022.
Which products and versions are affected?
golang.org/x/net (Go) SEMVER:introduced=0,fixed=0.0.0-20220906165146-f3363e06e74c; golang.org/x/net/http2 (Go) SEMVER:introduced=0,fixed=0.0.0-20220906165146-f3363e06e74c; stdlib (Go) SEMVER:introduced=0,fixed=1.18.6,introduced=1.19.0-0,fixed=1.19.1.
Is there a fix for CVE-2022-27664?
Yes. golang.org/x/net (Go): upgrade to 0.0.0-20220906165146-f3363e06e74c or later; golang.org/x/net/http2 (Go): upgrade to 0.0.0-20220906165146-f3363e06e74c or later; stdlib (Go): upgrade to 1.19.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2022-27664?
Check whether you run golang.org/x/net (Go), golang.org/x/net/http2 (Go) or stdlib (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • golang.org/x/net (Go): upgrade to 0.0.0-20220906165146-f3363e06e74c or later
    go get golang.org/x/net@v0.0.0-20220906165146-f3363e06e74c
  • golang.org/x/net/http2 (Go): upgrade to 0.0.0-20220906165146-f3363e06e74c or later
    go get golang.org/x/net/http2@v0.0.0-20220906165146-f3363e06e74c
  • stdlib (Go): upgrade to 1.19.1 or later
    go get stdlib@v1.19.1

Affected products

  • golang.org/x/net (Go) SEMVER:introduced=0,fixed=0.0.0-20220906165146-f3363e06e74c
  • golang.org/x/net/http2 (Go) SEMVER:introduced=0,fixed=0.0.0-20220906165146-f3363e06e74c
  • stdlib (Go) SEMVER:introduced=0,fixed=1.18.6,introduced=1.19.0-0,fixed=1.19.1

Identifiers

  • CVE-2022-27664
  • GHSA-69cg-p879-7622
  • GO-2022-0969

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