CVE-2024-30254

Name: CVE-2024-30254
Creator: NVD / NIST
Published: 2024-04-04T19:15:08.793+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.8/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2024-30254 is a medium-severity vulnerability rated 5.8/10 on the CVSS scale. MesonLSP is an unofficial, unendorsed language server for meson written in C++. A vulnerability in versions prior to 4.1.4 allows overwriting arbitrary files if the attacker can make the victim either run the language server within a specific crafted project or `mesonlsp --full`. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

MesonLSP is an unofficial, unendorsed language server for meson written in C++. A vulnerability in versions prior to 4.1.4 allows overwriting arbitrary files if the attacker can make the victim either run the language server within a specific crafted project or `mesonlsp --full`. Version 4.1.4 contains a patch for this issue. As a workaround, avoid running `mesonlsp --full` and set the language server option `others.neverDownloadAutomatically` to `true`.

Metrics

CVSS 3.1

5.8/10

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L

EPSS Probability

0.19%

8.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

References

Timeline

Published: Apr 4, 2024
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2024-30254?

How severe is CVE-2024-30254?

CVE-2024-30254 has a CVSS score of 5.8/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2024-30254?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-30254?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST