CVE-2007-1680

CVE-2007-1680 is a critical-severity vulnerability in Yahoo Messenger 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

Stack-based buffer overflow in the createAndJoinConference function in the AudioConf ActiveX control (yacscom.dll) in Yahoo! Messenger before 20070313 allows remote attackers to execute arbitrary code via long (1) socksHostname and (2) hostname properties.

Frequently asked questions

What is CVE-2007-1680?
Stack-based buffer overflow in the createAndJoinConference function in the AudioConf ActiveX control (yacscom.dll) in Yahoo! Messenger before 20070313 allows remote attackers to execute arbitrary code via long (1) socksHostname and (2) hostname properties.
How severe is CVE-2007-1680?
CVE-2007-1680 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-1680 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-1680?
CVE-2007-1680 primarily affects Yahoo Messenger. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-1680?
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-2007-1680 published?
CVE-2007-1680 was published on 2007-04-06 and last updated on 2026-06-16.

References

Affected products (5)

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