vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2023-40594

Denial of Service (DoS) via the ‘printf’ Search Function

HIGH
7.5
CVSS Score
Published: August 30, 2023 at 04:19 PM UTC
Updated: June 17, 2026 at 06:18 AM UTC
2 products affected across 1 vendorSplunkSplunk Cloud Platform

Using Splunk Enterprise by Splunk?

Get instant alerts when new vulnerabilities affect Splunk Enterprise - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

In Splunk Enterprise versions lower than 8.2.12, 9.0.6, and 9.1.1, an attacker can use the `printf` SPL function to perform a denial of service (DoS) against the Splunk Enterprise instance.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Splunk· Splunk
95%
v < 9.0.2303.1008.2 ≤ v < 8.2.128.2.0 ≤ v < 8.2.129.0 ≤ v < 9.0.69.0.0 ≤ v < 9.0.69.1 ≤ v < 9.1.18.29.09.19.1.0
Affected range stops below 8.2.12, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.0.2303.100, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.0.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.1.1, so it looks safe — our inference, not a vendor statement
Splunk Cloud Platform· Splunk
95%
v ≤ 9.0.2305.100

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: [email protected]
https://advisory.splunk.com/advisories/SVD-2023-0803
Vendor Advisory
Source: [email protected]
https://research.splunk.com/application/78b48d08-075c-4eac-bd07-e364c3780867/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400NVD-CWE-noinfo

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card