VULNERABILITY INTELLIGENCE

CVE-2019-16535

CVSS score9.8 CRITICAL
EPSS probability1.70%
CISA KEVNot currently listed
Published2019-12-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

In all versions of ClickHouse before 19.14, an OOB read, OOB write and integer underflow in decompression algorithms can be used to achieve RCE or DoS via native protocol.

Weakness classification

  • CWE-125: Out-of-bounds Read
  • CWE-191: Integer Underflow (Wrap or Wraparound)
  • CWE-787: Out-of-bounds Write

Primary references