CVE-2017-9991

Name: CVE-2017-9991
Creator: NVD / NIST
Published: 2017-06-28T06:29:00.457+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.84%

Last modified Jun 17, 2026

CVE-2017-9991 is a vulnerability of currently unknown severity. Heap-based buffer overflow in the xwd_decode_frame function in libavcodec/xwddec.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.. EPSS estimates a 1.84% chance of exploitation in the next 30 days.

Description

Heap-based buffer overflow in the xwd_decode_frame function in libavcodec/xwddec.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.

Metrics

EPSS Probability

1.84%

76.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
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/99316Third Party Advisory, VDB Entry
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1399Issue Tracking, Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/441026fcb13ac23aa10edc312bdacb6445a0ad06Issue Tracking, Patch, Third Party Advisory
http://www.securityfocus.com/bid/99316Third Party Advisory, VDB Entry
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1399Issue Tracking, Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/441026fcb13ac23aa10edc312bdacb6445a0ad06Issue Tracking, Patch, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2017-9991?

How severe is CVE-2017-9991?

Severity scoring for CVE-2017-9991 is pending analysis. The EPSS model estimates a 1.84% probability of exploitation in the next 30 days.

How do I fix CVE-2017-9991?

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-2017-9991?

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

Scan your code now

Source: NVD / NIST