CVE-2020-21066
An issue was discovered in Bento4 v1.5.1.0. There is a heap-buffer-overflow in AP4_Dec3Atom:...
An issue was discovered in Bento4 v1.5.1.0. There is a heap-buffer-overflow in AP4_Dec3Atom::AP4_Dec3Atom at Ap4Dec3Atom.cpp, leading to a denial of service (program crash), as demonstrated by mp42aac.
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in Bento4 v1.5.1.0. There is a heap-buffer-overflow in AP4_Dec3Atom::AP4_Dec3Atom at Ap4Dec3Atom.cpp, leading to a denial of service (program crash), as demonstrated by mp42aac.
- Record
CVE-2020-21066- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in Bento4 v1.5.1.0. There is a heap-buffer-overflow in AP4_Dec3Atom::AP4_Dec3Atom at Ap4Dec3Atom.cpp, leading to a denial of service (program crash), as demonstrated by mp42aac.
- Record
CVE-2020-21066- Updated
- 2026-11-02
EUVDEUVD-2020-13845 No score
An issue was discovered in Bento4 v1.5.1.0. There is a heap-buffer-overflow in AP4_Dec3Atom::AP4_Dec3Atom at Ap4Dec3Atom.cpp, leading to a denial of service (program crash), as demonstrated by mp42aac.
- Record
EUVD-2020-13845- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3xh3-694g-3p24 No score
An issue was discovered in Bento4 v1.5.1.0. There is a heap-buffer-overflow in AP4_Dec3Atom:...
An issue was discovered in Bento4 v1.5.1.0. There is a heap-buffer-overflow in AP4_Dec3Atom::AP4_Dec3Atom at Ap4Dec3Atom.cpp, leading to a denial of service (program crash), as demonstrated by mp42aac.
- Record
GHSA-3xh3-694g-3p24- Weakness
- CWE-787
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-21066
An issue was discovered in Bento4 v1.5.1.0. There is a heap-buffer-overflow in AP4_Dec3Atom::AP4_Dec3Atom at Ap4Dec3Atom.cpp, leading to a denial of service (program crash), as demonstrated by mp42aac.
- Record
UBUNTU-CVE-2020-21066- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
kodi-inputstream-adaptiveUbuntu:22.04:LTS |
All versions, plus listed versions 2.6.14+ds1-12.6.23+ds1-119.0.0+ds1-119.0.0+ds1-2 |
None known |
kodi-inputstream-adaptiveUbuntu:24.04:LTS |
All versions, plus listed versions 20.3.11+ds-120.3.17+ds-420.3.18+ds-120.3.18+ds-1build1 |
None known |
kodi-inputstream-adaptiveUbuntu:25.10 |
All versions, plus listed versions 21.5.9+ds-1 |
None known |
kodi-inputstream-adaptiveUbuntu:26.10 |
All versions, plus listed versions 21.5.16+ds-1 |
None known |
kodi-inputstream-adaptiveUbuntu:26.04:LTS |
All versions, plus listed versions 21.5.9+ds-121.5.16+ds-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| 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-2020-21066 is a medium vulnerability (CVSS 6.5) in Axiosys Bento4, published August 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.85%, the 58th percentile. No source names a fixed version.