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CVE Record

CVE-2000-0909: Buffer overflow in the automatic mail checking component of Pine 4.21 and earlier allows remote attackers t...

Buffer overflow in the automatic mail checking component of Pine 4.21 and earlier allows remote attackers to execute arbitrary commands via a long From: header.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2000-0909 affects Pine email client versions 4.21 and earlier. A malicious email with an overly long From header could trigger a buffer overflow during automatic mail checking and allow arbitrary command execution. This is mainly a legacy-software risk; urgency depends on whether old Pine clients remain in use.

Executive priority

Treat as a targeted legacy cleanup item. If Pine 4.21 or earlier is present, prioritize removal or vendor-guided upgrade because the stated impact is remote command execution.

Technical view

The CVE describes a buffer overflow in Pine’s automatic mail checking component through a long From: header. The stated impact is remote arbitrary command execution. The record does not provide CVSS, CWE, patch details, or affected CPEs, but the description identifies Pine 4.21 and earlier.

Likely exposure

Exposure is likely limited to environments still running Pine 4.21 or earlier, especially where automatic mail checking is enabled. Modern mail clients are not identified as affected in the provided sources.

Exploitation context

A remote attacker could deliver a maliciously formed email header that is processed by Pine’s automatic mail checking component. There is no KEV listing and no provided source states active exploitation.

Researcher notes

Public metadata is sparse. The CVE description names Pine 4.21 and earlier, but structured affected-product fields are not populated. No CVSS, CWE, patch reference, or active exploitation evidence is provided in the supplied sources.

Mitigation direction

  • Inventory systems for Pine 4.21 or earlier.
  • Check vendor or distribution guidance for supported upgrade or replacement paths.
  • Retire unsupported Pine deployments where business use is no longer justified.
  • Review whether automatic mail checking is enabled on any remaining Pine clients.

Validation and detection

  • Confirm whether Pine is installed in user or server environments.
  • Record Pine versions and flag 4.21 or earlier.
  • Determine whether automatic mail checking is configured.
  • Document business owners for any remaining legacy Pine usage.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2000-0909 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.