CVE-2017-7866
FFmpeg before 2017-01-23 has an out-of-bounds write caused by a stack-based buffer overflow...
FFmpeg before 2017-01-23 has an out-of-bounds write caused by a stack-based buffer overflow related to the decode_zbuf function in libavcodec/pngdec.c.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
FFmpeg before 2017-01-23 has an out-of-bounds write caused by a stack-based buffer overflow related to the decode_zbuf function in libavcodec/pngdec.c.
- Record
CVE-2017-7866- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
FFmpeg before 2017-01-23 has an out-of-bounds write caused by a stack-based buffer overflow related to the decode_zbuf function in libavcodec/pngdec.c.
- Record
CVE-2017-7866- Updated
- 2026-11-02
EUVDEUVD-2017-16841 No score
FFmpeg before 2017-01-23 has an out-of-bounds write caused by a stack-based buffer overflow related to the decode_zbuf function in libavcodec/pngdec.c.
- Record
EUVD-2017-16841- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6hc6-27m3-7grx
FFmpeg before 2017-01-23 has an out-of-bounds write caused by a stack-based buffer overflow...
FFmpeg before 2017-01-23 has an out-of-bounds write caused by a stack-based buffer overflow related to the decode_zbuf function in libavcodec/pngdec.c.
- Record
GHSA-6hc6-27m3-7grx- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
OSV
FFmpeg before 2017-01-23 has an out-of-bounds write caused by a stack-based buffer overflow related to the decode_zbuf function in libavcodec/pngdec.c.
- Record
CVE-2017-7866- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-06
OSVDEBIAN-CVE-2017-7866
FFmpeg before 2017-01-23 has an out-of-bounds write caused by a stack-based buffer overflow related to the decode_zbuf function in libavcodec/pngdec.c.
- Record
DEBIAN-CVE-2017-7866- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Show 4 moreShow less
OSVUBUNTU-CVE-2017-7866
FFmpeg before 2017-01-23 has an out-of-bounds write caused by a stack-based buffer overflow related to the decode_zbuf function in libavcodec/pngdec.c.
- Record
UBUNTU-CVE-2017-7866- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVMGASA-2018-0008 No score
Updated ffmpeg packages fix security vulnerability
This update provides ffmpeg version 2.4.14, which fixes several security vulnerabilities and other bugs which were corrected upstream.
- Record
MGASA-2018-0008- Updated
- 2026-11-02
OSVopenSUSE-SU-2017:1532-1 No score
Security update for ffmpeg
ffmpeg was updated to fix the following security issues:
CVE-2016-10191: remote exploitaion results code execution ((bsc#1022921) CVE-2016-10192: remote exploitaion results code execution bsc#1022922) CVE-2017-7866: stack-based buffer overflow (bsc#1034176) CVE-2017-7865: heap-based buffer overflow (bsc#1034177) CVE-2017-7863: heap-based buffer overflow (bsc#1034179) CVE-2016-9561: Huge amount memory allocated, resulting in DoS (bsc#1015120)
- Record
openSUSE-SU-2017:1532-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10754-1 No score
ffmpeg-4-4.4-5.2 on GA media
These are all security issues fixed in the ffmpeg-4-4.4-5.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10754-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ffmpegDebian:12 |
before 7:3.2.4-1 | 7:3.2.4-1 |
ffmpegDebian:13 |
before 7:3.2.4-1 | 7:3.2.4-1 |
ffmpegDebian:14 |
before 7:3.2.4-1 | 7:3.2.4-1 |
ffmpegMageia:5 From an advisory covering 31 CVEs |
before 2.4.14-1.mga5 | 2.4.14-1.mga5 |
ffmpegMageia:5 From an advisory covering 31 CVEs |
before 2.4.14-1.mga5.tainted | 2.4.14-1.mga5.tainted |
ffmpegUbuntu:16.04:LTS |
before 7:2.8.11-0ubuntu0.16.04.1, plus listed versions 7:2.7.2-1build17:2.8.1-1ubuntu17:2.8.2-1ubuntu17:2.8.3-17:2.8.4-1 Show 8 moreShow less7:2.8.4-1ubuntu17:2.8.4-1ubuntu27:2.8.4-1ubuntu37:2.8.4-1ubuntu47:2.8.6-1ubuntu17:2.8.6-1ubuntu27:2.8.8-0ubuntu0.16.04.17:2.8.10-0ubuntu0.16.04.1 |
7:2.8.11-0ubuntu0.16.04.1 |
ffmpeg2SUSE:Package Hub 12 SP1 From an advisory covering 6 CVEs |
before 2.8.11-12.1 | 2.8.11-12.1 |
ffmpeg-4openSUSE:Tumbleweed From an advisory covering 46 CVEs |
before 4.4-5.2 | 4.4-5.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-7866 is a critical vulnerability (CVSS 9.8) in Ffmpeg, published April 14, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.51%, the 84th percentile. Fixed in ffmpeg 7:3.2.4-1.
References
securityfocus.com/bid/97664
bugs.chromium.org/p/oss-fuzz/issues/detail?id=444
github.com/FFmpeg/FFmpeg/commit/e371f031b942d73e02c090170975561fabd5c264
nvd.nist.gov/vuln/detail/CVE-2017-7866
security-tracker.debian.org/tracker/CVE-2017-7866
Show 60 moreShow less
advisories.mageia.org/MGASA-2018-0008.html
bugs.mageia.org/show_bug.cgi?id=20757
ubuntu.com/security/CVE-2017-7866
cve.org/CVERecord?id=CVE-2017-7866
bugzilla.suse.com/1015120
suse.com/security/cve/CVE-2016-10191