How severe is CVE-2007-4222?

CVE-2007-4222 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2007-4222 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-4222?

CVE-2007-4222 affects Ibm Lotus Notes. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-4222?

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

When was CVE-2007-4222 published?

CVE-2007-4222 was published on 2007-10-29 and last updated on 2026-06-16.

CVE-2007-4222

CVE-2007-4222 is a critical-severity vulnerability in Ibm Lotus Notes with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Ibm Lotus Notes
Published: 2007-10-29
Last modified: 2026-06-16

Description

Buffer overflow in the TagAttributeListCopy function in nnotes.dll in IBM Lotus Notes before 7.0.3 allows user-assisted remote attackers to execute arbitrary code via a crafted HTML email, related to duplicate RTF conversion when the recipient operates on this email.

Frequently asked questions

What is CVE-2007-4222?: Buffer overflow in the TagAttributeListCopy function in nnotes.dll in IBM Lotus Notes before 7.0.3 allows user-assisted remote attackers to execute arbitrary code via a crafted HTML email, related to duplicate RTF conversion when the recipient operates on this email.
How severe is CVE-2007-4222?: CVE-2007-4222 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-4222 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4222?: CVE-2007-4222 affects Ibm Lotus Notes. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-4222?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2007-4222 published?: CVE-2007-4222 was published on 2007-10-29 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:ibm:lotus_notes:*:*:*:*:*:*:*:*

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