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Vulnerability record · CVE-2023-35853 · published 19 June 2023

CVE-2023-35853: Oisf suricata code injection vulnerability

Oisf · Suricata

In Suricata before 6.0.13, an adversary who controls an external source of Lua rules may be able to execute Lua code. This is addressed in 6.0.13 by disabling Lua unless allow-rules is true in the security lua configuration section.

9.8 CVSS 3.1 Critical EPSS 1.0% · top 37.7% CWE-94 · Code injection
9.8CVSS 3.1 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

In Suricata before 6.0.13, an adversary who controls an external source of Lua rules may be able to execute Lua code. This is addressed in 6.0.13 by disabling Lua unless allow-rules is true in the security lua configuration section.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/OISF/suricata/commit/b95bbcc66db526ffcc880eb439dbe8abc87a81da PatchVendor Advisory
https://github.com/OISF/suricata/compare/suricata-6.0.12...suricata-6.0.13 Vendor Advisory
https://www.stamus-networks.com/stamus-labs Not Applicable
https://github.com/OISF/suricata/commit/b95bbcc66db526ffcc880eb439dbe8abc87a81da PatchVendor Advisory
https://github.com/OISF/suricata/compare/suricata-6.0.12...suricata-6.0.13 Vendor Advisory
https://www.stamus-networks.com/stamus-labs Not Applicable

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-22262Oisf suricata stack-based buffer overflow vulnerabilitySuricata is a network IDS, IPS and NSM engine. While saving a dataset a stack buffer is used to prepare the data. Prior to versions 8.0.3 and 7.0.14,…EPSS 0.55%9.8CVE-2021-37592Oisf suricata out-of-bounds write vulnerabilitySuricata before 5.0.8 and 6.x before 6.0.4 allows TCP evasion via a client with a crafted TCP/IP stack that can send a certain sequence of segments.EPSS 1.6%9.8CVE-2018-10244Oisf suricata integer overflow vulnerabilitySuricata version 4.0.4 incorrectly handles the parsing of an EtherNet/IP PDU. A malformed PDU can cause the parsing code to read beyond the allocated…EPSS 1.7%9.1CVE-2026-45764Oisf suricata type confusion vulnerabilitySuricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.…EPSS 0.63%9.1CVE-2026-22264Oisf suricata use after free vulnerabilitySuricata is a network IDS, IPS and NSM engine. Prior to version 8.0.3 and 7.0.14, an unsigned integer overflow can lead to a heap use-after-free cond…EPSS 0.40%9.1CVE-2019-18792Oisf suricata interpretation conflict vulnerabilityAn issue was discovered in Suricata 5.0.0. It is possible to bypass/evade any tcp based signature by overlapping a TCP segment with a fake FIN packet…EPSS 2.5%8.1CVE-2024-23839Oisf suricata use after free vulnerabilitySuricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.3, specially craft…EPSS 0.78%7.5CVE-2026-45770Oisf suricata out-of-bounds write vulnerabilitySuricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Starting in version 8.0.0 and p…EPSS 0.48%

Source: NIST National Vulnerability Database (record CVE-2023-35853), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.