CVE-2026-40685 in Exim

الملخص

بحسب MITRE • 01/05/2026

In Exim before 4.99.2, when JSON lookup is enabled, an out-of-bounds heap write can occur when a JSON operator encounters malformed JSON in an untrusted header, because of an incorrect implementation of \ skipping.

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• إفشاء: 01/05/2026
• الاعتدال: تمت الموافقة
• إدخال: VDB-360394
• CPE: جاهز
• CWE: CWE-125 (مؤكد)
• CVSS: 7.3 (VulDB)
• EPSS: 0.00127
• KEV: لا
• النشاطات: منخفض جدًا
• القطاع: Education, Insurance, ...

المصادر

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-40685
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-40685
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-40685/