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Fencer Vulns
medium 5.1

CVE-2005-4445 json

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…

published 2005-12-21 20 y ago modified 2026-06-16 4 mo ago also EUVD-2005-4440

cvss
5.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

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.

Exploit prediction

3.09% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.1 AV:N/AC:H/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.