Resource exhaustion in Victoriametrics
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.
EPSS: 0.003 (25.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Victoriametrics — versions >= 1.0.0, < 1.110.23, >= 1.111.0, < 1.122.8, >= 1.123.0, < 1.129.1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-65942?
- CVE-2025-65942 is a low-severity vulnerability in Victoriametrics, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 2.7/10. Published 2025-11-25.
- How severe is CVE-2025-65942?
- Low severity. CVSS v3 base score is 2.7 out of 10.