OISF Suricata up to 8.0.2 recursion

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in OISF Suricata up to 8.0.2. It has been declared as critical. This affects an unknown function. Such manipulation leads to recursion. This vulnerability is documented as CVE-2026-22260. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in OISF Suricata up to 8.0.2 and classified as critical. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a recursion vulnerability. Using CWE to declare the problem leads to CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. Impacted is availability. CVE summarizes:

Suricata is a network IDS, IPS and NSM engine. Starting in version 8.0.0 and prior to version 8.0.3, Suricata can crash with a stack overflow. Version 8.0.3 patches the issue. As a workaround, use default values for `request-body-limit` and `response-body-limit`.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-22260 since 01/07/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 297401 (Linux Distros Unpatched Vulnerability : CVE-2026-22260), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 8.0.3 eliminates this vulnerability. Applying the patch 0dddac7278c8b9cf3c1e4c1c71e620a78ec1c185 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (297401). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Recursion
CWE: CWE-674 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 297401
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-22260

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Suricata 8.0.3
Patch: 0dddac7278c8b9cf3c1e4c1c71e620a78ec1c185

Timelineinfo

01/07/2026 CVE reserved
01/27/2026 +20 days Advisory disclosed
01/27/2026 +0 days VulDB entry created
01/31/2026 +4 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 8185
Status: Confirmed

CVE: CVE-2026-22260 (🔒)
GCVE (CVE): GCVE-0-2026-22260
GCVE (VulDB): GCVE-100-343076

Entryinfo

Created: 01/27/2026 20:47
Updated: 01/31/2026 23:39
Changes: 01/27/2026 20:47 (65), 01/31/2026 23:39 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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