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CVE-2009-3838

37
FAUCET Score

CVE-2009-3838 describes a stack-based buffer overflow in Pegasus Mail versions 4.41 and potentially 4.51, allowing a malicious POP3 server to crash the application or execute arbitrary code. This vulnerability carries a critical CVSS score of 9.3, indicating a network-based attack with medium complexity, leading to complete compromise of confidentiality, integrity, and availability. While not listed on the CISA KEV catalog, an exploit is publicly available on ExploitDB, though there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.41CPE matchmatch criteria
cpe:2.3:a:pmail:pegasus_mail:4.41:*:*:*:*:*:*:*
4.51CPE matchmatch criteria
cpe:2.3:a:pmail:pegasus_mail:4.51:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.21%
Probability of exploitation in next 30 days
EPSS Percentile
92.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-9957 · Oct 23, 2009
This CVE's current EPSS score of 0.0621 is in the 67th percentile among its peer group of 8,918 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

osvdb.org / 59261
secunia.com / advisories/37134
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/53933
packetstormsecurity.org / 0910-exploits/pegasusmc-dos.txt
Exploit
securityfocus.com / archive/1/507377/100/0/threaded
securityfocus.com / bid/36797
Exploit
securitytracker.com / id
Exploit
vupen.com / english/advisories/2009/3026
Vendor Advisory
vupen.com / exploits/Pegasus_Mail_POP3_Message_Handling_Remote_Buffer_Overflow_Exploit_3026233.php
Vendor Advisory