CVE-2025-65942: Victoriametrics

Low severity, CVSS 2.7. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Victoriametrics Victoriametrics: from 1.0.0, before 1.110.23 (fixed in 1.110.23); from 1.111.0, before 1.122.8 (fixed in 1.122.8); from 1.123.0, before 1.129.1 (fixed in 1.129.1)

Published 2025-11-25. Last modified 2026-06-17.