CVE-2021-32265
CVSS v3
8.8
HIGH
EPSS Score
1.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An issue was discovered in Bento4 through v1.6.0-637. A global-buffer-overflow exists in the function AP4_MemoryByteStream::WritePartial() located in Ap4ByteStream.cpp. It allows an attacker to cause code execution or information disclosure.
Technical details
- Published
- 2021-09-20
Frequently asked questions
What is CVE-2021-32265?
An issue was discovered in Bento4 through v1.6.0-637. A global-buffer-overflow exists in the function AP4_MemoryByteStream::WritePartial() located in Ap4ByteStream.cpp. It allows an attacker to cause code execution or information disclosure.
Is CVE-2021-32265 actively exploited?
Active exploitation of CVE-2021-32265 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-32265?
CVE-2021-32265 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2021-32265 affecting your environment?
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