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CVE-2026-67194 Courier IMAP < 6.0.1 Mail Server < 2.0.2 Stack Overflow DoS via Nested SEARCH Queries

🗓️ 29 Jul 2026 16:39:09Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 15 Views

Authenticated users can crash Courier internet mail access protocol and Mail Server via nested searches.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-67194
29 Jul 202616:39
attackerkb
cve
CVE
CVE-2026-67194
29 Jul 202616:39
cve
debiancve
Debian CVE
CVE-2026-67194
29 Jul 202616:39
debiancve
euvd
EUVD
EUVD-2026-50414
29 Jul 202616:39
euvd
nvd
NVD
CVE-2026-67194
29 Jul 202617:16
nvd
osv
OSV
DEBIAN-CVE-2026-67194
29 Jul 202621:48
osv
ptsecurity
Positive Technologies
PT-2026-65858
29 Jul 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-67194 Courier IMAP < 6.0.1 Mail Server < 2.0.2 Stack Overflow DoS via Nested SEARCH Queries
29 Jul 202616:39
vulnrichment
[
  {
    "defaultStatus": "affected",
    "vendor": "svarshavchik",
    "product": "Courier IMAP",
    "packageURL": "pkg:github/svarshavchik/courier",
    "repo": "https://github.com/svarshavchik/courier",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "semver",
        "lessThan": "6.0.1"
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "vendor": "svarshavchik",
    "product": "Courier Mail Server",
    "packageURL": "pkg:github/svarshavchik/courier",
    "repo": "https://github.com/svarshavchik/courier",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "semver",
        "lessThan": "2.0.2"
      }
    ]
  }
]

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