CVE-2020-14212
FFmpeg through 4.3 has a heap-based buffer overflow in avio_get_str in libavformat/aviobuf.c...
FFmpeg through 4.3 has a heap-based buffer overflow in avio_get_str in libavformat/aviobuf.c because dnn_backend_native.c calls ff_dnn_load_model_native and a certain index check is omitted.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
FFmpeg through 4.3 has a heap-based buffer overflow in avio_get_str in libavformat/aviobuf.c because dnn_backend_native.c calls ff_dnn_load_model_native and a certain index check is omitted.
- Record
CVE-2020-14212- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
FFmpeg through 4.3 has a heap-based buffer overflow in avio_get_str in libavformat/aviobuf.c because dnn_backend_native.c calls ff_dnn_load_model_native and a certain index check is omitted.
- Record
CVE-2020-14212- Updated
- 2026-11-02
EUVDEUVD-2020-6365 No score
FFmpeg through 4.3 has a heap-based buffer overflow in avio_get_str in libavformat/aviobuf.c because dnn_backend_native.c calls ff_dnn_load_model_native and a certain index check is omitted.
- Record
EUVD-2020-6365- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3xj6-rmxw-8hpw No score
FFmpeg through 4.3 has a heap-based buffer overflow in avio_get_str in libavformat/aviobuf.c...
FFmpeg through 4.3 has a heap-based buffer overflow in avio_get_str in libavformat/aviobuf.c because dnn_backend_native.c calls ff_dnn_load_model_native and a certain index check is omitted.
- Record
GHSA-3xj6-rmxw-8hpw- Updated
- 2026-11-02
OSVALPINE-CVE-2020-14212
FFmpeg through 4.3 has a heap-based buffer overflow in avio_get_str in libavformat/aviobuf.c because dnn_backend_native.c calls ff_dnn_load_model_native and a certain index check is omitted.
- Record
ALPINE-CVE-2020-14212- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
OSV
FFmpeg through 4.3 has a heap-based buffer overflow in avio_get_str in libavformat/aviobuf.c because dnn_backend_native.c calls ff_dnn_load_model_native and a certain index check is omitted.
- Record
CVE-2020-14212- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-07
OSVDEBIAN-CVE-2020-14212
FFmpeg through 4.3 has a heap-based buffer overflow in avio_get_str in libavformat/aviobuf.c because dnn_backend_native.c calls ff_dnn_load_model_native and a certain index check is omitted.
- Record
DEBIAN-CVE-2020-14212- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVJLSEC-2025-109
FFmpeg through 4.3 has a heap-based buffer overflow in `avio_get_str` in `libavformat/aviobuf.c`...
FFmpeg through 4.3 has a heap-based buffer overflow in avio_get_str in libavformat/aviobuf.c because dnn_backend_native.c calls ff_dnn_load_model_native and a certain index check is omitted.
- Record
JLSEC-2025-109- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-14212
FFmpeg through 4.3 has a heap-based buffer overflow in avio_get_str in libavformat/aviobuf.c because dnn_backend_native.c calls ff_dnn_load_model_native and a certain index check is omitted.
- Record
UBUNTU-CVE-2020-14212- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ffmpegAlpine:v3.12 |
4.3 up to 4.3.1-r0 | 4.3.1-r0 |
ffmpegAlpine:v3.13 |
4.3 up to 4.3.1-r0 | 4.3.1-r0 |
ffmpegAlpine:v3.14 |
4.3 up to 4.3.1-r0 | 4.3.1-r0 |
ffmpegAlpine:v3.15 |
4.3 up to 4.3.1-r0 | 4.3.1-r0 |
ffmpegAlpine:v3.16 |
4.3 up to 4.3.1-r0 | 4.3.1-r0 |
ffmpegAlpine:v3.17 |
4.3 up to 4.3.1-r0 | 4.3.1-r0 |
ffmpegAlpine:v3.18 |
4.3 up to 4.3.1-r0 | 4.3.1-r0 |
ffmpegAlpine:v3.19 |
4.3 up to 4.3.1-r0 | 4.3.1-r0 |
ffmpegAlpine:v3.20 |
4.3 up to 4.3.1-r0 | 4.3.1-r0 |
ffmpegAlpine:v3.21 |
4.3 up to 4.3.1-r0 | 4.3.1-r0 |
Show 14 moreShow less
| Package | Affected | Fixed |
|---|---|---|
ffmpegAlpine:v3.22 |
4.3 up to 4.3.1-r0 | 4.3.1-r0 |
ffmpegAlpine:v3.23 |
4.3 up to 4.3.1-r0 | 4.3.1-r0 |
ffmpegAlpine:v3.24 |
4.3 up to 4.3.1-r0 | 4.3.1-r0 |
ffmpeg4Alpine:v3.16 |
before 4.3.1-r0 | 4.3.1-r0 |
ffmpeg4Alpine:v3.17 |
before 4.3.1-r0 | 4.3.1-r0 |
ffmpeg4Alpine:v3.18 |
before 4.3.1-r0 | 4.3.1-r0 |
ffmpeg4Alpine:v3.19 |
before 4.3.1-r0 | 4.3.1-r0 |
ffmpeg4Alpine:v3.20 |
before 4.3.1-r0 | 4.3.1-r0 |
ffmpeg4Alpine:v3.21 |
before 4.3.1-r0 | 4.3.1-r0 |
ffmpeg4Alpine:v3.22 |
before 4.3.1-r0 | 4.3.1-r0 |
ffmpegDebian:12 |
before 7:4.3.1-1 | 7:4.3.1-1 |
ffmpegDebian:13 |
before 7:4.3.1-1 | 7:4.3.1-1 |
ffmpegDebian:14 |
before 7:4.3.1-1 | 7:4.3.1-1 |
FFMPEG_jllJulia |
4.3.1+0 up to 4.3.1+2 | 4.3.1+2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| affected, aliases, references | OSV | |
| affected | ||
| 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-2020-14212 is a high vulnerability (CVSS 8.8) in Ffmpeg, published June 16, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.70%, the 77th percentile. Fixed in ffmpeg 4.3.1-r0.
References
trac.ffmpeg.org/ticket/8716
patchwork.ffmpeg.org/project/ffmpeg/list?series=1463
security.gentoo.org/glsa/202007-58
nvd.nist.gov/vuln/detail/CVE-2020-14212
github.com/advisories/GHSA-3xj6-rmxw-8hpw
security.alpinelinux.org/vuln/CVE-2020-14212
security-tracker.debian.org/tracker/CVE-2020-14212
ubuntu.com/security/CVE-2020-14212
cve.org/CVERecord?id=CVE-2020-14212