🛡️ CVE-2022-1934 — mruby

🟠 CVSS 7.8 — High ⚠️ Exploit Public CWE-416 NVD
7.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Use After Free in GitHub repository mruby/mruby prior to 3.2.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2022-1934 is classified as CWE-416: Use After Free. Memory is used after being released, so its contents may already belong to something else.

Affected software

CVE-2022-1934 is recorded against 1 package.

  • mruby (fixed in 3.2)

Timeline and source

Published on 31 May 2022 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
huntr.dev
github.com
huntr.dev

CVE-2022-1934 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 7.8
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-416
Public Exploit ⚠️ Yes
Source NVD
Published 2022-05-31
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
mruby — 3.2

Similar Threats

Exploit Protection

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CVE-2022-1934 carries CVSS 7.8 High rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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