# CVE-2024-58379: node-nodemailer: nodemailer before 6.9.9 contains a regular expression denial of service vulnerability in email parsing when attachDat...

CVE-2024-58379 is fixed in node-nodemailer on 1 platform, first by DEBIAN-CVE-2024-58379, released September 2, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-58379
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0042
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 31, 2026

## Description

nodemailer before 6.9.9 contains a regular expression denial of service vulnerability in email parsing when attachDataUrls parameter is set or processing embedded file attachments. Attackers can send specially crafted emails with malicious data URLs or embedded attachments to cause the event loop to hang and deny service.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | node-nodemailer Debian 13.5 (trixie) | 6.9.13+~6.4.14-1 | [DEBIAN-CVE-2024-58379](https://patchblox.com/security/data/fix/linux/debian-cve-2024-58379.md) | Sep 2, 2026 |
| Linux | node-nodemailer Debian 14 | 6.9.13+~6.4.14-1 | [DEBIAN-CVE-2024-58379](https://patchblox.com/security/data/fix/linux/debian-cve-2024-58379.md) | Sep 2, 2026 |

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Data as of 2026-11-09T01:18:40Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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