CVE-2003-0300

The IMAP Client for Sylpheed 0.8.11 allows remote malicious IMAP servers to cause a denial of service (crash) via certain large literal size values that cause either integer signedness errors or integer overflow errors.

Published: 2003-06-16 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0300 is rated Moderate Risk (45/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.84%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2003-0300

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 1.25% 0.84% -0.41%
2 2025-03-29 0.84% 1.25% +0.41%
3 2025-03-25 — 0.84% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0300

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2003-0300

Affected software / configurations for CVE-2003-0300

Vendor Product Version Raw CPE
microsoft outlook_express 6.00.2800.1106 cpe:2.3:a:microsoft:outlook_express:6.00.2800.1106:*:*:*:*:*:*:*
mozilla mozilla 1.3 cpe:2.3:a:mozilla:mozilla:1.3:*:*:*:*:*:*:*
mozilla mozilla 1.4 cpe:2.3:a:mozilla:mozilla:1.4:alpha:*:*:*:*:*:*
mutt mutt 1.4.1 cpe:2.3:a:mutt:mutt:1.4.1:*:*:*:*:*:*:*
qualcomm eudora 5.2.1 cpe:2.3:a:qualcomm:eudora:5.2.1:*:*:*:*:*:*:*
stuart_parmenter balsa 2.0.10 cpe:2.3:a:stuart_parmenter:balsa:2.0.10:*:*:*:*:*:*:*
sylpheed sylpheed_email_client 0.8.11 cpe:2.3:a:sylpheed:sylpheed_email_client:0.8.11:*:*:*:*:*:*:*
university_of_washington pine 4.53 cpe:2.3:a:university_of_washington:pine:4.53:*:*:*:*:*:*:*
ximian evolution 1.2.4 cpe:2.3:a:ximian:evolution:1.2.4:*:*:*:*:*:*:*

References for CVE-2003-0300

cvelogic Threat Intelligence