CVE-2007-6403

CVE-2007-6403 is a medium-severity vulnerability in Winamp Nullsoft Winamp with a CVSS 2.0 base score of 6.8. 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-119.

Key facts

Description

Stack-based buffer overflow in Nullsoft Winamp 5.32 allows user-assisted remote attackers to execute arbitrary code via crafted unicode in a .mp4 file, with crafted tags, contained in a certain .rar archive, a related issue to CVE-2007-2498. NOTE: for exploitation, the victim must select a certain menu option at the time of the attack.

Frequently asked questions

What is CVE-2007-6403?
Stack-based buffer overflow in Nullsoft Winamp 5.32 allows user-assisted remote attackers to execute arbitrary code via crafted unicode in a .mp4 file, with crafted tags, contained in a certain .rar archive, a related issue to CVE-2007-2498. NOTE: for exploitation, the victim must select a certain menu option at the time of the attack.
How severe is CVE-2007-6403?
CVE-2007-6403 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2007-6403 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-6403?
CVE-2007-6403 affects Winamp Nullsoft Winamp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-6403?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-6403 published?
CVE-2007-6403 was published on 2007-12-17 and last updated on 2026-06-16.

References

Affected products (1)

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