CVE-2007-4996

CVE-2007-4996 is a medium-severity vulnerability in Pidgin 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

libpurple in Pidgin before 2.2.1 does not properly handle MSN nudge messages from users who are not on the receiver's buddy list, which allows remote attackers to cause a denial of service (crash) via a nudge message that triggers an access of "an invalid memory location."

Frequently asked questions

What is CVE-2007-4996?
libpurple in Pidgin before 2.2.1 does not properly handle MSN nudge messages from users who are not on the receiver's buddy list, which allows remote attackers to cause a denial of service (crash) via a nudge message that triggers an access of "an invalid memory location."
How severe is CVE-2007-4996?
CVE-2007-4996 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2007-4996 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4996?
CVE-2007-4996 affects Pidgin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-4996?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-4996 published?
CVE-2007-4996 was published on 2007-10-01 and last updated on 2026-06-16.

References

Affected products (1)

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