CVE-2023-26964: RUSTSEC-2023-0034 - Resource exhaustion vulnerability in h2 may lead to Denial of Service (DoS)

CVE-2023-26964 · Severity: info · Published 2023-04-14

Resource exhaustion vulnerability in h2 may lead to Denial of Service (DoS)

Technologies: h2 (crates.io). Vendors: crates.io.

Quick answers

Is CVE-2023-26964 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2023-26964 being exploited in the wild.
How severe is CVE-2023-26964?
Informational severity, published 14 April 2023.
Which products and versions are affected?
h2 (crates.io) SEMVER:introduced=0,fixed=0.3.17, SEMVER:introduced=0.0.0-0,fixed=0.3.17.
Is there a fix for CVE-2023-26964?
Yes. h2 (crates.io): upgrade to 0.3.17 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2023-26964?
Check whether you run h2 (crates.io) 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

  • h2 (crates.io): upgrade to 0.3.17 or later
    cargo update -p h2

Affected products

  • h2 (crates.io) SEMVER:introduced=0,fixed=0.3.17, SEMVER:introduced=0.0.0-0,fixed=0.3.17

Identifiers

  • CVE-2023-26964
  • GHSA-f8vr-r385-rh5r
  • RUSTSEC-2023-0034

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