What’s Vulnerable › Vulnerabilities

CVE-2017-9992

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-06-28 · updated 2026-06-17
• Weakness: CWE-119

Description

Heap-based buffer overflow in the decode_dds1 function in libavcodec/dfa.c in FFmpeg before 2.8.12, 3.0.x before 3.0.8, 3.1.x before 3.1.8, 3.2.x before 3.2.5, and 3.3.x before 3.3.1 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted file.

Affected products

• Debian Linux: 8.0
• FFmpeg: before 2.8.12; from 3.0 before 3.0.8; from 3.1 before 3.1.8; from 3.2 before 3.2.5; from 3.3 before 3.3.1 — fixed in 2.8.12, 3.0.8, 3.1.8, 3.2.5, 3.3.1

How to fix

Upgrade to a fixed version: FFmpeg 2.8.12, 3.0.8, 3.1.8, 3.2.5. Check the vendor advisory for mitigations.

References

• http://www.debian.org/security/2017/dsa-4012
• http://www.securityfocus.com/bid/99319
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1345
• https://github.com/FFmpeg/FFmpeg/commit/f52fbf4f3ed02a7d872d8a102006f29b4421f360
• http://www.debian.org/security/2017/dsa-4012
• http://www.securityfocus.com/bid/99319
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1345
• https://github.com/FFmpeg/FFmpeg/commit/f52fbf4f3ed02a7d872d8a102006f29b4421f360

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