Security readout for executives and security teams
CVE-2009-3838 affects Pegasus Mail clients that retrieve mail from POP3 servers. A malicious or compromised POP3 server can send an overly long error message that may crash the client and could possibly run code on the user’s workstation. Business urgency depends on whether legacy Pegasus Mail 4.41 or possibly 4.51 remains in use. Exposure is likely limited to environments still using legacy Pegasus Mail clients with POP3 accounts, especially where users connect to untrusted, spoofable, or compromised POP3 servers. Treat this as a legacy-client risk. Prioritize remediation where Pegasus Mail is still used for business email or connects to external POP3 servers. If the software is absent, no further action is needed beyond documentation. Mitigation focus: Inventory endpoints for Pegasus Mail 4.41 and 4.51 installations.; Retire or replace affected legacy Pegasus Mail clients where feasible.; Avoid POP3 connections to untrusted or unmanaged mail servers..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Execution behavior lookup
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Open ATT&CK lookupCVE-2009-3838 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- pegasus-pop3-bo(53933)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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