How severe is CVE-2006-0543?

CVE-2006-0543 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2006-0543 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-0543?

CVE-2006-0543 affects Cerulean Studios Trillian. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-0543?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-0543 published?

CVE-2006-0543 was published on 2006-02-04 and last updated on 2026-06-16.

CVE-2006-0543

CVE-2006-0543 is a medium-severity vulnerability in Cerulean Studios Trillian with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cerulean Studios Trillian
Published: 2006-02-04
Last modified: 2026-06-16

Description

Cerulean Trillian 3.1.0.120 allows remote attackers to cause a denial of service (client crash) via an AIM message containing the Mac encoded Rich Text Format (RTF) escape sequences (1) \'d1, (2) \'d2, (3) \'d3, (4) \'d4, and (5) \'d5. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Frequently asked questions

What is CVE-2006-0543?: Cerulean Trillian 3.1.0.120 allows remote attackers to cause a denial of service (client crash) via an AIM message containing the Mac encoded Rich Text Format (RTF) escape sequences (1) \'d1, (2) \'d2, (3) \'d3, (4) \'d4, and (5) \'d5. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
How severe is CVE-2006-0543?: CVE-2006-0543 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-0543 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-0543?: CVE-2006-0543 affects Cerulean Studios Trillian. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-0543?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-0543 published?: CVE-2006-0543 was published on 2006-02-04 and last updated on 2026-06-16.

References

http://www.osvdb.org/22877

Affected products (1)

cpe:2.3:a:cerulean_studios:trillian:3.1.0.120:*:*:*:*:*:*:*

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