CVE-2017-9994: Buffer Overflow
First published: Wed Jun 28 2017(Updated: )
libavcodec/webp.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 does not ensure that pix_fmt is set, 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, related to the vp8_decode_mb_row_no_filter and pred8x8_128_dc_8_c functions.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FFmpeg | <2.8.12 | |
| FFmpeg | >=3.0<3.0.8 | |
| FFmpeg | >=3.1<3.1.8 | |
| FFmpeg | >=3.2<3.2.5 | |
| FFmpeg | >=3.3<3.3.1 | |
| Debian GNU/Linux | =8.0 |
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Reference Links
- http://www.securityfocus.com/bid/99317
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1434
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1435
- https://github.com/FFmpeg/FFmpeg/commit/6b5d3fb26fb4be48e4966e4b1d97c2165538d4ef
- https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html
Frequently Asked Questions
What is the severity of CVE-2017-9994?
CVE-2017-9994 has a moderate severity level due to potential for denial of service attacks.
How do I fix CVE-2017-9994?
To fix CVE-2017-9994, upgrade to FFmpeg version 2.8.12 or later, or one of the specified 3.x versions.
What types of attacks can CVE-2017-9994 facilitate?
CVE-2017-9994 can facilitate heap-based buffer overflow attacks leading to application crashes.
Which versions of FFmpeg are affected by CVE-2017-9994?
FFmpeg versions earlier than 2.8.12 and specific versions in the 3.x series prior to 3.3.1 are affected by CVE-2017-9994.
Can CVE-2017-9994 affect Debian systems?
Yes, CVE-2017-9994 can affect Debian GNU/Linux 8.0 when using vulnerable FFmpeg versions.
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- collector/mitre-cve
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- agent/event
- agent/source
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- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/ffmpeg
- canonical/ffmpeg
- version/ffmpeg/3.0
- version/ffmpeg/3.1
- version/ffmpeg/3.2
- version/ffmpeg/3.3
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/8.0