How severe is CVE-2003-0298?

CVE-2003-0298 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2003-0298 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0298?

CVE-2003-0298 primarily affects Mozilla. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-0298?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2003-0298 published?

CVE-2003-0298 was published on 2003-06-16 and last updated on 2026-06-16.

CVE-2003-0298

CVE-2003-0298 is a high-severity vulnerability in Mozilla with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mozilla
Published: 2003-06-16
Last modified: 2026-06-16

Description

The IMAP Client for Mozilla 1.3 and 1.4a allows remote malicious IMAP servers to cause a denial of service and possibly execute arbitrary code via certain large (1) literal and possibly (2) mailbox size values that cause either integer signedness errors or integer overflow errors.

Frequently asked questions

What is CVE-2003-0298?: The IMAP Client for Mozilla 1.3 and 1.4a allows remote malicious IMAP servers to cause a denial of service and possibly execute arbitrary code via certain large (1) literal and possibly (2) mailbox size values that cause either integer signedness errors or integer overflow errors.
How severe is CVE-2003-0298?: CVE-2003-0298 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0298 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0298?: CVE-2003-0298 primarily affects Mozilla. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0298?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2003-0298 published?: CVE-2003-0298 was published on 2003-06-16 and last updated on 2026-06-16.

References

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

Affected products (2)

cpe:2.3:a:mozilla:mozilla:1.3:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:mozilla:1.4:alpha:*:*:*:*:*:*

More vulnerabilities in Mozilla

CVE-2007-1794 — Critical (CVSS 10.0): The Javascript engine in Mozilla 1.7 and earlier on Sun Solaris 8, 9, and 10 might allow remote attackers to execute…
CVE-2004-0903 — Critical (CVSS 10.0): Stack-based buffer overflow in the writeGroup function in nsVCardObj.cpp for Mozilla Firefox before the Preview…
CVE-2004-0902 — Critical (CVSS 10.0): Multiple heap-based buffer overflows in Mozilla Firefox before the Preview Release, Mozilla before 1.7.3, and…
CVE-2004-0904 — Critical (CVSS 10.0): Integer overflow in the bitmap (BMP) decoder for Mozilla Firefox before the Preview Release, Mozilla before 1.7.3, and…
CVE-2004-0722 — Critical (CVSS 10.0): Integer overflow in the SOAPParameter object constructor in (1) Netscape version 7.0 and 7.1 and (2) Mozilla 1.6, and…
CVE-2004-0764 — Critical (CVSS 10.0): Mozilla before 1.7, Firefox before 0.9, and Thunderbird before 0.7, allow remote web sites to hijack the user interface…

All CVEs affecting Mozilla →