What’s Vulnerable › Vulnerabilities

CVE-2021-25803

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-26 · updated 2026-06-17
• Weakness: CWE-190

Description

A buffer overflow vulnerability in the vlc_input_attachment_New component of VideoLAN VLC Media Player 3.0.11 allows attackers to cause an out-of-bounds read via a crafted .avi file.

Affected products

• VideoLAN VLC: 3.0.11

References

• https://code.videolan.org/videolan/vlc-3.0/-/commit/56cbe9c4b59edbdc5e1bb2687992f3bbf492eccb
• https://code.videolan.org/videolan/vlc-3.0/-/commit/56cbe9c4b59edbdc5e1bb2687992f3bbf492eccb

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