CVE-2003-0299

CVE-2003-0299 is a high-severity vulnerability in Mutt 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

Description

The IMAP Client, as used in mutt 1.4.1 and Balsa 2.0.10, allows remote malicious IMAP servers to cause a denial of service and possibly execute arbitrary code via certain large mailbox size values that cause either integer signedness errors or integer overflow errors.

Frequently asked questions

What is CVE-2003-0299?
The IMAP Client, as used in mutt 1.4.1 and Balsa 2.0.10, allows remote malicious IMAP servers to cause a denial of service and possibly execute arbitrary code via certain large mailbox size values that cause either integer signedness errors or integer overflow errors.
How severe is CVE-2003-0299?
CVE-2003-0299 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0299 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0299?
CVE-2003-0299 primarily affects Mutt. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0299?
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-2003-0299 published?
CVE-2003-0299 was published on 2003-06-16 and last updated on 2026-06-16.

References

Affected products (2)

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