CVE-2009-1029Pop Peeper Memory Corruption
Stack-based buffer overflow in POP Peeper 3.4.0.0 and earlier allows remote POP3 servers to execute arbitrary code via a long Date header, related to Imap.dll.
Published Mar 19, 2009 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2009-1029 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Pop Peeper (Poppeeper).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 32% probability of exploitation in the next 30 days.
- Fixed versions are available, including Pop Peeper 3.4.0.0.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
32%
Higher than 98.2% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
57/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
4
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
- advisory34077
Description
Stack-based buffer overflow in POP Peeper 3.4.0.0 and earlier allows remote POP3 servers to execute arbitrary code via a long Date header, related to Imap.dll.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Pop PeeperPoppeeper | 2.4.3, 3.0, 3.0.1 | 3.4.0.0 |
Patched Releases
Pop Peeper
3.4.0.0
Timeline
Publicly disclosed
Mar 19, 2009
Last updated
Apr 22, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisory34077
- exploitMSF poppeeper_date.rb
- exploitMSF poppeeper_uidl.rb
- exploitExploitDB-16441
- exploitExploitDB-16458
FAQ
Common Questions.
Stack-based buffer overflow in POP Peeper 3.4.0.0 and earlier allows remote POP3 servers to execute arbitrary code via a long Date header, related to Imap.dll.
Affected: Pop Peeper (Poppeeper) versions 2.4.3, 3.0, 3.0.1. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Pop Peeper 3.4.0.0.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2009-1029 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
Request A Demo