Malformed ZIP file crashes Universal Forwarders and Splunk Enterprise through file monitoring input
Priority LOW 24CWE-409Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.002 9th percentileScored 2026-11-08
Fix Fixed Splunk Enterprise (Splunk): 8.2.7.1, 8.1.11Universal Forwarders (Splunk): 8.2.7.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Splunk | Splunk Enterprise | 8.2 to before 8.2.7.1; 8.1 to before 8.1.11 | 8.2.7.1, 8.1.11 | Patch available | CNA |
| Splunk | Universal Forwarders | 8.1.11; 8.2 to before 8.2.7.1 | 8.2.7.1 | Patch available | CNA |
Remediation
- Fix · CNA Splunk Enterprise (Splunk) Fixed in 8.2.7.1, 8.1.11
- Fix · CNA Universal Forwarders (Splunk) Fixed in 8.2.7.1
Timeline
- 2026-10-02 Threatist record created from CVE-2022-37439
- 2026-10-03 Alias added: GHSA-mg48-gp9q-6j63
References
More Splunk vulnerabilities
- TI-2026-16444 Unauthenticated Arbitrary File Creation and Truncation in a PostgreSQL Sidecar Service Endpoint in Splunk Enterprise KEVCVSS 3.1CRITICAL 9.8
- TI-2014-00154 The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly… KEVCVSS 3.1HIGH 7.5
- TI-2023-24841 Remote code execution (RCE) in Splunk Enterprise through Insecure XML Parsing CVSS 3.1HIGH 8.8
- TI-2023-15979 ‘edit_user’ Capability Privilege Escalation CVSS 3.1HIGH 8.8
- TI-2024-30707 Remote Code Execution (RCE) due to insecure session storage configuration in Splunk Enterprise on Windows CVSS 3.1HIGH 8.8
- TI-2022-21345 Reflected Cross-Site Scripting via the radio template in Splunk Enterprise CVSS 3.1HIGH 8.8
Sources
- CVE-2022-37439 · CVE Program
- CVE-2022-37439 · NVD
- FIRST EPSS
- GHSA-mg48-gp9q-6j63 · GitHub Advisory Database · CC BY 4.0
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