CVE-2025-65942

Description

VictoriaMetrics is a scalable solution for monitoring and managing time series data. In versions from 1.0.0 to before 1.110.23, from 1.111.0 to before 1.122.8, and from 1.123.0 to before 1.129.1, affected versions are vulnerable to DoS attacks because the snappy decoder ignored VictoriaMetrics request size limits allowing malformed blocks to trigger excessive memory use. This could lead to OOM errors and service instability. The fix enforces block-size checks based on MaxRequest limits. This issue has been patched in versions 1.110.23, 1.122.8, and 1.129.1.

CVSS v3.1 Score

2.7

LOW

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

Weakness Type (CWE)

CWE-770 CWE-770

References

Other References

https://github.com/VictoriaMetrics/VictoriaMetrics/commit/51b44afd34d2c9a392d4ebedeeb5b4a7f5beca24 https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.110.23 https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.122.8 https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.129.1 https://github.com/VictoriaMetrics/VictoriaMetrics/security/advisories/GHSA-66jq-2c23-2xh5

Frequently Asked Questions

What is CVE-2025-65942? +

VictoriaMetrics is a scalable solution for monitoring and managing time series data. In versions from 1.0.0 to before 1.110.23, from 1.111.0 to before 1.122.8, and from 1.123.0 to before 1.129.1, affected versions are vulnerable to DoS attacks because the snappy decoder ignored VictoriaMetrics request size limits allowing malformed blocks to trigger excessive memory use. This could lead to OOM errors and service instability. The fix enforces block-size checks based on MaxRequest limits. This issue has been patched in versions 1.110.23, 1.122.8, and 1.129.1. It has a CVSS v3.1 base score of 2.7 (LOW).

How severe is CVE-2025-65942? +

CVE-2025-65942 has a CVSS v3.1 score of 2.7 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

How do I check if I'm vulnerable to CVE-2025-65942? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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