CVE-2005-1523

Format string vulnerability in imap4d server in GNU Mailutils 0.5 and 0.6, and other versions...

7.5 HighPublic exploitFix available

CVE-2005-1523 is a high vulnerability (CVSS 7.5) in Gnu Mailutils, published May 26, 2005. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 9.78%, the 95th percentile. Fixed in mailutils 1:0.6.1-3.

Format string vulnerability in imap4d server in GNU Mailutils 0.5 and 0.6, and other versions before 0.6.90, allows remote attackers to execute arbitrary code via format string specifiers in the command tag for IMAP commands.

Exploit likelihood

9.78%Up 2.1 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2005-1523
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2005-1523
Updated: 2026-11-02

EUVDEUVD-2005-1526 No score

Record: EUVD-2005-1526
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xwqj-7mqr-967j No score

Format string vulnerability in imap4d server in GNU Mailutils 0.5 and 0.6, and other versions...

Record: GHSA-xwqj-7mqr-967j
Updated: 2026-11-02

OSV No score

Record: CVE-2005-1523
Updated: 2026-11-02

OSVDEBIAN-CVE-2005-1523 No score

Record: DEBIAN-CVE-2005-1523
Updated: 2026-11-02

Affected products

gnu mailutils

Affected packages

Affected packages
Package	Affected	Fixed
`mailutils` Debian:12	before 1:0.6.1-3	1:0.6.1-3
`mailutils` Debian:13	before 1:0.6.1-3	1:0.6.1-3
`mailutils` Debian:14	before 1:0.6.1-3	1:0.6.1-3
`mailutils` Debian:3.0	before 20020409-1woody2, plus listed versions 20020409-120020409-1woody1	20020409-1woody2

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	GNU Mailutils imap4d 0.6 - Remote Format String	2005-08-01

History

History
When	Changed	Sources
2026-11-03	aliases	EUVD
2026-11-02	created	CVE List, Exploit-DB, GitHub Advisories, NVD, OSV