CVE-2023-40586 - CVE House
Back to Database
Status published High CVE-2023-40586

go package github.com/corazawaf/coraza is vulnerable to denial of service

Vulnerability Description

OWASP Coraza WAF is a golang modsecurity compatible web application firewall library. Due to the misuse of `log.Fatalf`, the application using coraza crashed after receiving crafted requests from attackers. The application will immediately crash after receiving a malicious request that triggers an error in `mime.ParseMediaType`. This issue was patched in version 3.0.1.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-40586

Credits & Attribution

No credits recorded in the NVD database.

References

More from corazawaf

View All →
CVE-2025-29914
OWASP Coraza WAF has parser confusion which leads to wrong URI in `REQUEST_FILENAME`
Medium 5.4

Affected Vendor

Affected Software

coraza
Vulnerable Versions:
< 3.0.1

Timeline

Official Publish: August 25th, 2023
Last Modified: October 2nd, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-400

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1498 Network Denial of Service
Impact