CVE-2021-40943
In Bento4 1.6.0-638, there is a null pointer reference in the function...
In Bento4 1.6.0-638, there is a null pointer reference in the function AP4_DescriptorListInspector::Action function in Ap4Descriptor.h:124 , as demonstrated by GPAC. This can cause a denial of service (DOS).
Attack profile
How easy it is to exploit
- Attack vector
- Local
- 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
In Bento4 1.6.0-638, there is a null pointer reference in the function AP4_DescriptorListInspector::Action function in Ap4Descriptor.h:124 , as demonstrated by GPAC. This can cause a denial of service (DOS).
- Record
CVE-2021-40943- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/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-476
- Updated
- 2026-11-02
CVE List No score
In Bento4 1.6.0-638, there is a null pointer reference in the function AP4_DescriptorListInspector::Action function in Ap4Descriptor.h:124 , as demonstrated by GPAC. This can cause a denial of service (DOS).
- Record
CVE-2021-40943- Updated
- 2026-11-02
EUVDEUVD-2021-28097 No score
In Bento4 1.6.0-638, there is a null pointer reference in the function AP4_DescriptorListInspector::Action function in Ap4Descriptor.h:124 , as demonstrated by GPAC. This can cause a denial of service (DOS).
- Record
EUVD-2021-28097- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c76m-xvx5-75qc
In Bento4 1.6.0-638, there is a null pointer reference in the function...
In Bento4 1.6.0-638, there is a null pointer reference in the function AP4_DescriptorListInspector::Action function in Ap4Descriptor.h:124 , as demonstrated by GPAC. This can cause a denial of service (DOS).
- Record
GHSA-c76m-xvx5-75qc- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSV
In Bento4 1.6.0-638, there is a null pointer reference in the function AP4_DescriptorListInspector::Action function in Ap4Descriptor.h:124 , as demonstrated by GPAC. This can cause a denial of service (DOS).
- Record
CVE-2021-40943- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-40943
In Bento4 1.6.0-638, there is a null pointer reference in the function AP4_DescriptorListInspector::Action function in Ap4Descriptor.h:124 , as demonstrated by GPAC. This can cause a denial of service (DOS).
- Record
UBUNTU-CVE-2021-40943- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/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 |
|---|---|---|
| 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-2021-40943 is a medium vulnerability (CVSS 5.5) in Axiosys Bento4, published June 28, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.60%, the 48th percentile. No source names a fixed version.