CVE-2024-41436: ClickHouse v24.3.3.102 was discovered to contain a buffer overflow via the component DB::evaluateConstantExpre

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2024-41436 is a high-severity flaw (CVSS 7.5) affecting clickhouse. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ClickHouse v24.3.3.102 was discovered to contain a buffer overflow via the component DB::evaluateConstantExpressionImpl.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 54%)
CISA exploited list	No
Weakness	CWE-120
Published	2024-09-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: clickhouse

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-09-03 19:15 UTCPublished CVE record published
2026-06-17 07:47 UTCUpdated Record last modified

clickhouse clickhouse DOWNGRADE

Affected: 24.3.3.102

Fixed in: no fixed release known

Safe to downgrade to: a release before 24.3.3.102

1. Check installed version

apt-cache policy clickhouse || rpm -q clickhouse || clickhouse --version

2. No fixed release: DOWNGRADE to a release before 24.3.3.102 (Debian / Ubuntu)

apt-cache madison clickhouse sudo apt install clickhouse=<VERSION_BEFORE_24.3.3.102> sudo apt-mark hold clickhouse

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list clickhouse sudo dnf downgrade clickhouse-<VERSION_BEFORE_24.3.3.102> sudo dnf versionlock add clickhouse

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-41436?

clickhouse: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-41436 being exploited?

CVE-2024-41436 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-41436 affect?

CVE-2024-41436 affects clickhouse. Severity is high (CVSS 7.5). ClickHouse v24.3.3.102 was discovered to contain a buffer overflow via the component DB::evaluateConstantExpressionImpl.

How urgent is CVE-2024-41436?

Priority 48/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

ClickHouse vulnerabilities

Related CVEs

CVE-2024-22412 LOW 2.4 UPGRADE UPGRADE ClickHouse is an open-source column-oriented database management system
CVE-2019-16536 HIGH 8.8 UPGRADE Stack overflow leading to DoS can be triggered by a malicious authenticated client in Clickhouse before 19.14.

References

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