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Vulnerability record · CVE-2003-0300 · published 16 June 2003

CVE-2003-0300: Microsoft outlook express vulnerability

Microsoft · Outlook Express

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.

5.0 CVSS 2.0 Medium EPSS 3.4% · top 11.7%
5.0CVSS 2.0 base score
3.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
2References
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://marc.info/?l=bugtraq&m=105294024124163&w=2
http://marc.info/?l=bugtraq&m=105294024124163&w=2

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2003-0300), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.