CVE-2026-32314: Yamux vulnerable to remote Panic via malformed Data frame with SYN set and len = 262145

CVE-2026-32314 · Severity: medium · CVSS 4 · Published 2026-03-13

Yamux vulnerable to remote Panic via malformed Data frame with SYN set and len = 262145

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

Quick answers

Is CVE-2026-32314 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-32314 being exploited in the wild.
How severe is CVE-2026-32314?
Medium severity, with a CVSS score of 4, published 13 March 2026.
Which products and versions are affected?
yamux (crates.io) SEMVER:introduced=0,fixed=0.13.10.
Is there a fix for CVE-2026-32314?
Yes. yamux (crates.io): upgrade to 0.13.10 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-32314?
Check whether you run yamux (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

  • yamux (crates.io): upgrade to 0.13.10 or later
    cargo update -p yamux

Affected products

  • yamux (crates.io) SEMVER:introduced=0,fixed=0.13.10

Identifiers

  • CVE-2026-32314
  • GHSA-vxx9-2994-q338

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