CVE-2002-2253

critical

Description

Multiple buffer overflows in Cyrus Sieve / libSieve 2.1.2 and earlier allow remote attackers to execute arbitrary code via (1) a long header name, (2) a long IMAP flag, or (3) a script that generates a large number of errors that overflow the resulting error string.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/10780

https://exchange.xforce.ibmcloud.com/vulnerabilities/10779

https://exchange.xforce.ibmcloud.com/vulnerabilities/10743

http://www.securityfocus.com/bid/6300

http://www.securityfocus.com/bid/6299

http://www.securityfocus.com/bid/6294

Details

Source: Mitre, NVD

Published: 2002-12-31

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.14388