CVE-2001-1009
Fetchmail (aka fetchmail-ssl) before 5.8.17 allows a remote malicious (1) IMAP server or (2) POP...
CVE-2001-1009 is a high vulnerability (CVSS 10.0) in Fetchmail, published August 31, 2001. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.52%, the 93rd percentile. No source names a fixed version.
Fetchmail (aka fetchmail-ssl) before 5.8.17 allows a remote malicious (1) IMAP server or (2) POP/POP3 server to overwrite arbitrary memory and possibly gain privileges via a negative index number as part of a response to a LIST request.
Exploit likelihood
What each source reports
NVD Score used
10.0
Fetchmail (aka fetchmail-ssl) before 5.8.17 allows a remote malicious (1) IMAP server or (2) POP/POP3 server to overwrite arbitrary memory and possibly gain privileges via a negative index number as part of a response to a LIST request.
- Record
CVE-2001-1009- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
Fetchmail (aka fetchmail-ssl) before 5.8.17 allows a remote malicious (1) IMAP server or (2) POP/POP3 server to overwrite arbitrary memory and possibly gain privileges via a negative index number as part of a response to a LIST request.
- Record
CVE-2001-1009- Updated
- 2026-11-02
EUVDEUVD-2001-0990 No score
Fetchmail (aka fetchmail-ssl) before 5.8.17 allows a remote malicious (1) IMAP server or (2) POP/POP3 server to overwrite arbitrary memory and possibly gain privileges via a negative index number as part of a response to a LIST request.
- Record
EUVD-2001-0990- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-crwm-xxj2-prrm No score
Fetchmail (aka fetchmail-ssl) before 5.8.17 allows a remote malicious (1) IMAP server or (2) POP...
Fetchmail (aka fetchmail-ssl) before 5.8.17 allows a remote malicious (1) IMAP server or (2) POP/POP3 server to overwrite arbitrary memory and possibly gain privileges via a negative index number as part of a response to a LIST request.
- Record
GHSA-crwm-xxj2-prrm- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Fetchmail 5.x - POP3 Reply Signed Integer Index | 2001-08-09 |
| Exploit-DB | Fetchmail 5.x - IMAP Reply Signed Integer Index | 2001-08-09 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, NVD |