CVE-2007-2478

CVE-2007-2478 is a critical-severity vulnerability in Cerulean Studios Trillian Pro 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.

Key facts

Description

Multiple heap-based buffer overflows in the IRC component in Cerulean Studios Trillian Pro before 3.1.5.1 allow remote attackers to corrupt memory and possibly execute arbitrary code via (1) a URL with a long UTF-8 string, which triggers the overflow when the user highlights it, or (2) a font HTML tag with a face attribute containing a long UTF-8 string.

Frequently asked questions

What is CVE-2007-2478?
Multiple heap-based buffer overflows in the IRC component in Cerulean Studios Trillian Pro before 3.1.5.1 allow remote attackers to corrupt memory and possibly execute arbitrary code via (1) a URL with a long UTF-8 string, which triggers the overflow when the user highlights it, or (2) a font HTML tag with a face attribute containing a long UTF-8 string.
How severe is CVE-2007-2478?
CVE-2007-2478 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-2478 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-2478?
CVE-2007-2478 affects Cerulean Studios Trillian Pro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-2478?
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-2007-2478 published?
CVE-2007-2478 was published on 2007-05-03 and last updated on 2026-06-16.

References

Affected products (1)

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