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CVE-2022-37439

Malformed ZIP file crashes Universal Forwarders and Splunk Enterprise through file monitoring input

MEDIUM
5.5
CVSS Score
Published: August 16, 2022 at 07:49 PM UTC
Updated: June 17, 2026 at 04:55 AM UTC
2 products affected across 1 vendorSplunkUniversal Forwarder

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

In Splunk Enterprise and Universal Forwarder versions in the following table, indexing a specially crafted ZIP file using the file monitoring input can result in a crash of the application. Attempts to restart the application would result in a crash and would require manually removing the malformed file.

Affected

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

Splunk· Splunk
95%
8.1 ≤ v < 8.1.118.1.0 ≤ v < 8.1.118.2 ≤ v < 8.2.7.18.2.0 ≤ v < 8.2.7.18.18.2
Affected range stops below 8.1.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.2.7.1, so it looks safe — our inference, not a vendor statement
Universal Forwarder· Splunk
95%
8.1.0 ≤ v < 8.1.118.2 ≤ v < 8.2.7.18.2.0 ≤ v < 8.2.7.18.1.118.2
Affected range stops below 8.1.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.2.7.1, so it looks safe — our inference, not a vendor statement

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)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://research.splunk.com/application/b237d393-2f57-4531-aad7-ad3c17c8b041
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.splunk.com/en_us/product-security/announcements/svd-2022-0803.html

CVSS

5.5MEDIUMSplunk
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-409NVD-CWE-noinfo

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