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01 Record

CVE-2019-16535

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.

UnratedPUBLISHEDCNA: yandex
CNA base scoreUnratedNo CNA CVSS vector
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02 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.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.69% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 76.6% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-12-30 14:35Z6 YR AGO
Last updated
2024-08-05 01:17Z2 YR AGO
Reserved
2019-09-19
Assigning CNA
yandex
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-125Out-of-bounds ReadBase
  • CWE-191Integer Underflow (Wrap or Wraparound)Base
  • CWE-787Out-of-bounds WriteBase
Data version
5.1
Document digest
433cf0034e03f0ebf05d49abf4e5535ec485e0f140fc8ae5bfa96b106aa293e2

05 Affected products

VendorProductVersionsPlatforms
n/aClickHouseAll versions prior to version 19.14.—

06 References