CVE-2007-3121: n/a vulnerability

CVE-2007-3121: Buffer overflow in the CCdecode function in contrib/ntsc-cc.c in the zvbi-ntsc-cc tool in Zapping VBI Libra...

Buffer overflow in the CCdecode function in contrib/ntsc-cc.c in the zvbi-ntsc-cc tool in Zapping VBI Library (ZVBI) before 0.2.25 allows attackers to cause a denial of service (application crash) and possibly execute arbitrary code via long data during a reception error. NOTE: some of these details are obtained from third party information.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 14:05 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2007-3121 is an old buffer overflow in the ZVBI zvbi-ntsc-cc tool. A malformed or overly long data condition during a reception error can crash the application and may allow code execution. Business risk is mainly for systems still running ZVBI before 0.2.25 and processing caption/VBI input. Exposure is likely limited to legacy systems using ZVBI before 0.2.25, especially where zvbi-ntsc-cc processes VBI or closed-caption data. The source bundle does not identify affected operating system packages, distributions, or downstream products. Treat this as a targeted legacy exposure check, not a broad emergency. Prioritize remediation if ZVBI is present in production media-processing paths or handles untrusted caption data. Mitigation focus: Identify any deployed ZVBI versions before 0.2.25.; Upgrade ZVBI to 0.2.25 or later where vendor packages support it.; Disable or remove zvbi-ntsc-cc if it is not operationally required..

Prepared: Jun 29, 2026, 05:15 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jun 7, 2007, 21:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

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Weakness

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