Casting a Net(ty) for Bugs, and Catching a Big One (CVE-2025-59419)
depthfirst.com | vulnerability | Medium | CVE-2025-59419 | #vulnerability-research | #java | #command-injection | #netty | #smtp | #cve-2025-59419
Summary
Netty's SMTP codec allowed CRLF injection in user input, letting attackers append forged mail commands that bypass SPF, DKIM and DMARC; depthfirst's agent found it, tracked as CVE-2025-59419.
- CVE
- CVE-2025-59419
- CVSS
- 5.5
- Published
- Collected
--- id: 5445 title: "Casting a Net(ty) for Bugs, and Catching a Big One (CVE-2025-59419)" cve: CVE-2025-59419 cvss: 5.5 severity: medium source_domain: depthfirst.com source_url: "https://depthfirst.com/research/casting-a-net-ty-for-bugs-and-catching-a-big-one-cve-2025-59419" published_at: "2025-10-20T00:00:00Z" tags: ["vulnerability-research", "java", "command-injection", "netty", "smtp", "cve-2025-59419"] phying_url: "https://phying.com/item/5445" lang: en --- # Casting a Net(ty) for Bugs, and Catching a Big One (CVE-2025-59419) ## Summary Netty's SMTP codec allowed CRLF injection in user input, letting attackers append forged mail commands that bypass SPF, DKIM and DMARC; depthfirst's agent found it, tracked as CVE-2025-59419. ## Intelligence Metadata - **Sources:** depthfirst.com - **CVE:** CVE-2025-59419 - **CVSS:** 5.5 - **Published:** 2025-10-20T00:00:00Z - **Original:** https://depthfirst.com/research/casting-a-net-ty-for-bugs-and-catching-a-big-one-cve-2025-59419 - **Phying News:** https://phying.com/item/5445