CVE-2021-25803 | Vulnetix

CVE-2021-25803 PUBLISHED

Reported by mitre · Published July 26, 2021

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.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

Package	Ecosystem	Fixed in
vlc	Ubuntu:Pro:20.04:LTS	3.0.9.2-1ubuntu0.1~esm1

Affected products

Vendor	Product	Versions
n/a	n/a	n/a
n/a	n/a	*

Timeline

Jul 26, 2021 CVE Published
Jul 27, 2021 EPSS Score (30 in total, the first dated here)
Aug 3, 2024 CVE Updated
Mar 7, 2026 Distribution Patch
Mar 7, 2026 Security Advisory (3 in total, the first dated here)
Aug 8, 2026 Coalition ESS Score

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The same record, from the CLI:

vulnetix vdb vuln CVE-2021-25803
vulnetix vdb fixes CVE-2021-25803

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  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-25803/fixes/registry"

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References

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