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CVE-2026-55620 eml_parser: DoS via deeply nested parens in Received headers

🗓️ 25 Aug 2026 18:26:54Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Quadratic-time DoS in eml_parser before 3.0.2 via deeply nested parentheses in Received headers.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-55620
25 Aug 202618:26
cve
euvd
EUVD
EUVD-2026-65704
25 Aug 202618:26
euvd
github
Github Security Blog
eml_parser vulnerable to DoS via deeply nested parens in Received headers
25 Aug 202618:27
github
nvd
NVD
CVE-2026-55620
25 Aug 202619:16
nvd
ptsecurity
Positive Technologies
PT-2026-81476
25 Aug 202600:00
ptsecurity
[
  {
    "vendor": "GOVCERT-LU",
    "product": "eml_parser",
    "versions": [
      {
        "version": "< 3.0.2",
        "status": "affected"
      }
    ]
  }
]

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