CVE-2020-23331
It allows an attacker to cause a denial of service (DOS).
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in Bento4 version 06c39d9. A NULL pointer dereference exists in the AP4_DescriptorListWriter::Action component located in /Core/Ap4Descriptor.h. It allows an attacker to cause a denial of service (DOS).
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.24% probability · 69th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- axiosys/bento4
- Source
- cve@mitre.org
EPSS 1.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/axiomatic-systems/Bento4/issues/509Exploit, Third Party Advisory
- https://github.com/axiomatic-systems/Bento4/issues/509Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.