How severe is CVE-2009-3084?

CVE-2009-3084 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-3084 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3084?

CVE-2009-3084 primarily affects Pidgin. In total, 38 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-3084?

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

When was CVE-2009-3084 published?

CVE-2009-3084 was published on 2009-09-08 and last updated on 2026-06-16.

CVE-2009-3084

CVE-2009-3084 is a medium-severity vulnerability in Pidgin 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. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Pidgin
Published: 2009-09-08
Last modified: 2026-06-16

Description

The msn_slp_process_msg function in libpurple/protocols/msn/slpcall.c in the MSN protocol plugin in libpurple 2.6.0 and 2.6.1, as used in Pidgin before 2.6.2, allows remote attackers to cause a denial of service (application crash) via a handwritten (aka Ink) message, related to an uninitialized variable and the incorrect "UTF16-LE" charset name.

Frequently asked questions

What is CVE-2009-3084?: The msn_slp_process_msg function in libpurple/protocols/msn/slpcall.c in the MSN protocol plugin in libpurple 2.6.0 and 2.6.1, as used in Pidgin before 2.6.2, allows remote attackers to cause a denial of service (application crash) via a handwritten (aka Ink) message, related to an uninitialized variable and the incorrect "UTF16-LE" charset name.
How severe is CVE-2009-3084?: CVE-2009-3084 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-3084 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3084?: CVE-2009-3084 primarily affects Pidgin. In total, 38 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-3084?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-3084 published?: CVE-2009-3084 was published on 2009-09-08 and last updated on 2026-06-16.

References

Affected products (38)

cpe:2.3:a:pidgin:pidgin:*:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.0.2:*:linux:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.2.2:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.4.0:32_bit:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.4.1:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.4.1:32_bit:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.4.2:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.4.2:32_bit:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.4.3:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.4.3:32_bit:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.0:32_bit:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.2:32_bit:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.3:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.3:32_bit:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.4:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.4:32_bit:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.5:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.5:32_bit:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.6:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.7:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.8:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.5.9:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.6.0:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:libpurple:2.6.0:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:libpurple:2.6.1:*:*:*:*:*:*:*

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