CVE-2017-9996

Name: CVE-2017-9996
Creator: NVD / NIST
Published: 2017-06-28T06:29:00.613+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.85%

Last modified Jun 17, 2026

CVE-2017-9996 is a vulnerability of currently unknown severity. The cdxl_decode_frame function in libavcodec/cdxl.c in FFmpeg 2.8.x 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 does not exclude the CHUNKY format, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted file.. EPSS estimates a 1.85% chance of exploitation in the next 30 days.

Description

The cdxl_decode_frame function in libavcodec/cdxl.c in FFmpeg 2.8.x 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 does not exclude the CHUNKY format, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted file.

Metrics

EPSS Probability

1.85%

76.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Ffmpeg	Ffmpeg	2.8
Ffmpeg	Ffmpeg	2.8.1
Ffmpeg	Ffmpeg	2.8.2
Ffmpeg	Ffmpeg	2.8.3
Ffmpeg	Ffmpeg	2.8.4
Ffmpeg	Ffmpeg	2.8.5
Ffmpeg	Ffmpeg	2.8.6
Ffmpeg	Ffmpeg	2.8.7
Ffmpeg	Ffmpeg	2.8.8
Ffmpeg	Ffmpeg	2.8.9
Ffmpeg	Ffmpeg	2.8.10
Ffmpeg	Ffmpeg	2.8.11
Ffmpeg	Ffmpeg	3.0
Ffmpeg	Ffmpeg	3.0.1
Ffmpeg	Ffmpeg	3.0.2
Ffmpeg	Ffmpeg	3.0.3
Ffmpeg	Ffmpeg	3.0.4
Ffmpeg	Ffmpeg	3.0.5
Ffmpeg	Ffmpeg	3.0.6
Ffmpeg	Ffmpeg	3.0.7
Ffmpeg	Ffmpeg	3.1
Ffmpeg	Ffmpeg	3.1.1
Ffmpeg	Ffmpeg	3.1.2
Ffmpeg	Ffmpeg	3.1.3
Ffmpeg	Ffmpeg	3.1.4
Ffmpeg	Ffmpeg	3.1.5
Ffmpeg	Ffmpeg	3.1.6
Ffmpeg	Ffmpeg	3.1.7
Ffmpeg	Ffmpeg	3.2
Ffmpeg	Ffmpeg	3.2.1
Ffmpeg	Ffmpeg	3.2.2
Ffmpeg	Ffmpeg	3.2.3
Ffmpeg	Ffmpeg	3.2.4
Ffmpeg	Ffmpeg	3.3

References

http://www.securityfocus.com/bid/99323Third Party Advisory, VDB Entry
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1378Issue Tracking, Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1427Issue Tracking, Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/1e42736b95065c69a7481d0cf55247024f54b660Issue Tracking, Patch, Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/e1b60aad77c27ed5d4dfc11e5e6a05a38c70489dIssue Tracking, Patch, Third Party Advisory
http://www.securityfocus.com/bid/99323Third Party Advisory, VDB Entry
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1378Issue Tracking, Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1427Issue Tracking, Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/1e42736b95065c69a7481d0cf55247024f54b660Issue Tracking, Patch, Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/e1b60aad77c27ed5d4dfc11e5e6a05a38c70489dIssue Tracking, Patch, Third Party Advisory

Timeline

Published: Jun 28, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-9996?

How severe is CVE-2017-9996?

Severity scoring for CVE-2017-9996 is pending analysis. The EPSS model estimates a 1.85% probability of exploitation in the next 30 days.

How do I fix CVE-2017-9996?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-9996?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST