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Findings

CVE-2025-42599

Qualitia Active! Mail Stack-Based Buffer Overflow Vulnerability

Published Apr 17, 2025 · updated Sep 24, 2026 · qualitia active! mail

Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow vulnerability. Receiving a specially crafted request created and sent by a remote unauthenticated attacker may lead to arbitrary code execution and/or a denial-of-service (DoS) condition.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 17, 2025 · Catalog

    Detected

    Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow vulnerability. Receiving a specially crafted request created and sent by a remote unauthenticated attacker may lead to arbitrary code execution and/or a denial-of-service (DoS) condition.

  2. Apr 28, 2025 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  3. May 19, 2025 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  4. Sep 24, 2026 · Catalog

    Updated

    Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow vulnerability. Receiving a specially crafted request created and sent by a remote unauthenticated attacker may lead to arbitrary code execution and/or a denial-of-service (DoS) condition.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA due date May 19, 2025

Affected

  • cpe qualitia/active! mailversion unspecified
  • vendor Qualitia Active! Mailversion unspecified

Sources

  • CISA KEVCVE-2025-42599

    Qualitia Active! Mail contains a stack-based buffer overflow vulnerability that allows a remote, unauthenticated attacker to execute arbitrary or trigger a denial-of-service via a specially crafted request.

    cisa.gov
  • CVE.orgCVE-2025-42599

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2025-42599

    30-day exploitation probability 3.3%

    first.org
  • NIST NVDCVE-2025-42599

    Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow vulnerability. Receiving a specially crafted request created and sent by a remote unauthenticated attacker may lead to arbitrary code execution and/or a denial-of-service (DoS) condition.

    nvd.nist.gov

References