CVE-2010-0163

CVE-2010-0163 is a medium-severity vulnerability in Mozilla Thunderbird with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Mozilla Thunderbird before 2.0.0.24 and SeaMonkey before 1.1.19 process e-mail attachments with a parser that performs casts and line termination incorrectly, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted message, related to message indexing.

Frequently asked questions

What is CVE-2010-0163?
Mozilla Thunderbird before 2.0.0.24 and SeaMonkey before 1.1.19 process e-mail attachments with a parser that performs casts and line termination incorrectly, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted message, related to message indexing.
How severe is CVE-2010-0163?
CVE-2010-0163 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2010-0163 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-0163?
CVE-2010-0163 primarily affects Mozilla Thunderbird. In total, 92 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-0163?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-0163 published?
CVE-2010-0163 was published on 2010-03-23 and last updated on 2026-06-16.

References

Affected products (92)

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