Read the docs
TI-2021-12086 Aliases CVE-2021-32265GHSA-72vm-gmpv-57x3

An issue was discovered in Bento4 through v1.6.0-637.

Priority MEDIUM 41CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.0156 75th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:axiosys:bento4:*:*:*:*:*:*:*:*up to 1.6.0-637VulnerableAxiomatic
  • cpe:2.3:a:axiosys:bento4:*:*:*:*:*:*:*:* Versions up to 1.6.0-637 Vulnerable ·Axiomatic

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-32265
  2. 2026-10-03 Alias added: GHSA-72vm-gmpv-57x3

References

Exploit 1

  • TI-2024-20431 Buffer Overflow vulnerability in Bento4 Bento v.1.6.0-641 allows a remote attacker to… CVSS 3.1HIGH 8.8
  • TI-2022-03375 Axiomatic Bento4 mp42hevc WriteSample heap-based overflow CVSS 3.1HIGH 7.8
  • TI-2022-03371 Axiomatic Bento4 mp42ts Ap4LinearReader.cpp Advance use after free CVSS 3.1HIGH 7.8
  • TI-2022-03370 Axiomatic Bento4 avcinfo AvcInfo.cpp heap-based overflow CVSS 3.1HIGH 7.8
  • TI-2022-03369 Axiomatic Bento4 avcinfo Ap4BitStream.cpp WriteBytes heap-based overflow CVSS 3.1HIGH 7.8
  • TI-2022-03367 Axiomatic Bento4 mp42hls Ap4Sample.h GetOffset use after free CVSS 3.1HIGH 7.8
See all 155 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences