https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sat, 10 Oct 2026 12:31:38 +0000 https://cve.radiocsirt.org/vuln/euvd-2026-190906 EUVD-2026-190906 https://cve.radiocsirt.org/vuln/euvd-2026-190906 https://cve.radiocsirt.org/vuln/fkie_cve-2023-40586 <p>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.</p> <p>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.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2023-40586 https://cve.radiocsirt.org/vuln/ghsa-c2pj-v37r-2p6h <p><strong>Affected:</strong> Go: github.com/corazawaf/coraza/v3, Go: github.com/corazawaf/coraza/v2</p> <p>### Summary</p> <p>Due to the misuse of `log.Fatalf`, the application using coraza crashed after receiving crafted requests from attackers.</p> <p>### Details</p> <p>https://github.com/corazawaf/coraza/blob/82157f85f24c6107667bf0f686b71a72aafdf8a5/internal/bodyprocessors/multipart.go#L26-L29 The bodyprocessors of multipart uses `log.Fatalf` to handle errors from the `mime.ParseMediaType`, but `log.Fatalf` calls `os.Exit` directly after logging the error. https://github.com/golang/go/blob/a031f4ef83edc132d5f49382bfef491161de2476/src/log/log.go#L288-L291 This means that the application will immediately crash after receiving a malicious request that triggers an error in `mime.ParseMediaType`.</p> <p>### PoC</p> <p>The server can be demonstrated by https://github.com/corazawaf/coraza/tree/main/examples/http-server</p> <p>After sending this request ``` POST / HTTP/1.1 Host: 127.0.0.1:8090 User-Agent: curl/8.1.2 Accept: */* Content-Length: 199 Content-Type: multipart/form-data; boundary=------------------------5fa6351b877326a1; a=1; a=2 Connection: close</p> <p>--------------------------5fa6351b877326a1 Content-Disposition: form-data; name=&#34;file&#34;; filename=&#34;123&#34; Content-Type: application/octet-stream</p> <p>123</p> <p>--------------------------5fa6351b877326a1--</p> <p>``` The server will crash immediately. The `a=1; a=2` in `Content-Type` makes `mime: duplicate parameter name` error.</p> <p>### Impact</p> <p>I believe the vulnerability was introduced by the following commit: https://github.com/corazawaf/coraza/commit/24af0c8cf4f10bab558740b595712be3b…</p> <p><strong>Affected:</strong> Go: github.com/corazawaf/coraza/v3, Go: github.com/corazawaf/coraza/v2</p> <p>### Summary</p> <p>Due to the misuse of `log.Fatalf`, the application using coraza crashed after receiving crafted requests from attackers.</p> <p>### Details</p> <p>https://github.com/corazawaf/coraza/blob/82157f85f24c6107667bf0f686b71a72aafdf8a5/internal/bodyprocessors/multipart.go#L26-L29 The bodyprocessors of multipart uses `log.Fatalf` to handle errors from the `mime.ParseMediaType`, but `log.Fatalf` calls `os.Exit` directly after logging the error. https://github.com/golang/go/blob/a031f4ef83edc132d5f49382bfef491161de2476/src/log/log.go#L288-L291 This means that the application will immediately crash after receiving a malicious request that triggers an error in `mime.ParseMediaType`.</p> <p>### PoC</p> <p>The server can be demonstrated by https://github.com/corazawaf/coraza/tree/main/examples/http-server</p> <p>After sending this request ``` POST / HTTP/1.1 Host: 127.0.0.1:8090 User-Agent: curl/8.1.2 Accept: */* Content-Length: 199 Content-Type: multipart/form-data; boundary=------------------------5fa6351b877326a1; a=1; a=2 Connection: close</p> <p>--------------------------5fa6351b877326a1 Content-Disposition: form-data; name=&#34;file&#34;; filename=&#34;123&#34; Content-Type: application/octet-stream</p> <p>123</p> <p>--------------------------5fa6351b877326a1--</p> <p>``` The server will crash immediately. The `a=1; a=2` in `Content-Type` makes `mime: duplicate parameter name` error.</p> <p>### Impact</p> <p>I believe the vulnerability was introduced by the following commit: https://github.com/corazawaf/coraza/commit/24af0c8cf4f10bab558740b595712be3b…</p> https://cve.radiocsirt.org/vuln/ghsa-c2pj-v37r-2p6h https://cve.radiocsirt.org/vuln/gsd-2023-40586 gsd-2023-40586 https://cve.radiocsirt.org/vuln/gsd-2023-40586