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CVE-2026-67447 Mailpit: SMTP DATA line reader buffers over-limit input before size enforcement

🗓️ 20 Aug 2026 21:15:06Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 14 Views

Mailpit SMTP readData() buffers oversized DATA lines before size check, causing DoS in versions 1.30.0 to 1.30.4.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-67447
20 Aug 202622:35
circl
cve
CVE
CVE-2026-67447
20 Aug 202621:15
cve
euvd
EUVD
EUVD-2026-63664
20 Aug 202621:15
euvd
github
Github Security Blog
Mailpit: SMTP DATA line reader buffers over-limit input before size enforcement
20 Aug 202621:34
github
nvd
NVD
CVE-2026-67447
20 Aug 202622:17
nvd
osv
OSV
GHSA-R553-M4FV-5V97 Mailpit: SMTP DATA line reader buffers over-limit input before size enforcement
20 Aug 202621:34
osv
ptsecurity
Positive Technologies
PT-2026-79204
20 Aug 202600:00
ptsecurity
[
  {
    "vendor": "axllent",
    "product": "mailpit",
    "versions": [
      {
        "version": ">= 1.30.0, < 1.30.5",
        "status": "affected"
      }
    ]
  }
]

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