Security readout for executives and security teams
CVE-2016-9821 is a crash vulnerability in libav 11.8. A maliciously crafted media file can trigger an integer overflow in MPEG video parsing, causing denial of service. The source bundle does not show data theft, code execution, or active exploitation. Exposure is most likely where libav 11.8 or affected downstream packages process untrusted media files, including upload, conversion, preview, or scanning workflows. The bundle does not identify specific CPEs beyond libav 11.8. Prioritize patching internet-facing or business-critical media-processing systems. This is not evidenced as actively exploited, but a crafted file could disrupt services that depend on libav parsing. Mitigation focus: Check Debian DSA-3833 and relevant vendor advisories for fixed libav packages.; Upgrade affected libav packages where vendor updates are available.; Limit processing of untrusted media on exposed services until patched..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2016-9821 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
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