HOMEVULNERABILITIESCVE-2005-4445
MEDIUM

CVE-2005-4445

NVD-CWE-OtherPublished: December 21, 2005· Updated: Jun 16, 2026

5.1
CVSS v3.1

Official Description

Off-by-one error in Pegasus Mail 4.21a through 4.21c and 4.30PB1 allows remote attackers to execute arbitrary code via a long email message header, which triggers a one-byte buffer overflow.

NVD Source

Technical Analysis

CVE-2005-4445 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:N/AC:H/Au:N/C:P/I:P/A:P

Affected Vendors & Products

david_harris1 product(s)
pegasus mail
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (14)

Quick Facts

CVE IDCVE-2005-4445
CVSS Score5.1 / 10
SeverityMEDIUM
CISA KEVNo
Affected1 vendor(s)
PublishedDec 21, 2005

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2005-4445 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.