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OISF suricata-update version 1.0.0a1 contains an Insecure Deserialization vulnerability…

Priority MEDIUM 41CWE-502Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-502.

Summary

OISF suricata-update version 1.0.0a1 contains an Insecure Deserialization vulnerability in the insecure yaml.load-Function as used in the following files: config.py:136, config.py:142, sources.py:99 and sources.py:131. The "list-sources"-command is affected by this bug. that can result in Remote Code Execution(even as root if suricata-update is called by root). This attack appears to be exploitable via a specially crafted yaml-file at https://www.openinfosecfoundation.org/rules/index.yaml. This vulnerability appears to have been fixed in 1.0.0b1.

Why it matters now

EPSS 0.04037 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed suricata-update (PyPI): 1.0.0b1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—suricata-update (PyPI)before 1.0.0b11.0.0b1Patch availableGHSA-7c4h-w765-6pwg
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • suricata-update (PyPI) Vendor— Affected before 1.0.0b1 Fixed in 1.0.0b1 Patch available GHSA-7c4h-w765-6pwg

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:oisf:suricata-update:1.0.0a1:*:*:*:*:*:*:*1.0.0a1VulnerableOISF
  • cpe:2.3:a:oisf:suricata-update:1.0.0a1:*:*:*:*:*:*:* Versions 1.0.0a1 Vulnerable ·OISF

Remediation

  • Fix · GHSA-7c4h-w765-6pwg suricata-update (PyPI) Fixed in 1.0.0b1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1000167
  2. 2026-10-03 Alias added: GHSA-7c4h-w765-6pwg

References

Sources