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CVE-2026-92239 Buffer overrun in IMAP

🗓️ 15 Sep 2026 19:42:52Reported by mozillaType 
cvelist
 cvelist
🔗 www.cve.org👁 55 Views

Out-of-bounds buffer read in Thunderbird 140.16 via maliciously constructed IMAP line.

Related
Affected
Refs
[
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.16",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "153.3",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "156",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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16 Sep 2026 14:24Current
CVSS 3.18.1
EPSS0.00406
SSVC
55