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CVE-2026-94184

5.3 medium SSVC exploitation: none Published
NVD · CVE.org

A stack-based buffer overflow flaw was found in fetchmail when built with NTLM support. A malicious or compromised mail server advertising NTLM authentication can send a crafted Type 2 challenge that causes fetchmail to write past a fixed stack buffer while building the NTLM authenticate response. This may lead to remote code execution depending on stack-frame layout, or to authentication failure or process termination under memory hardening.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 5

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-21 14:01
  2. References+2 references (now 10)NVD modified 2026-10-21 15:17
  3. StatusPublished → Awaiting AnalysisNVD modified 2026-10-21 15:17
  4. StatusAwaiting Analysis → PublishedNVD modified 2026-10-20 17:16
  5. First seenCVSS 5.3NVD modified 2026-10-20 18:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 10