CVE-2022-3670Public exploitNetwork attack vector

Process crash via out-of-bounds sample read

Published Oct 26, 2022 · Updated Apr 14, 2025

Heap-based buffer overflow in Bento4 1.6.0-639 mp42hevc allows remote attackers to crash the tool via a crafted MP4 file. WriteSample reads one byte immediately beyond a four-byte AP4_DataBuffer while converting a malformed six-sample HEVC track. The file must reach an mp42hevc invocation or an integrating workflow; the public proof of concept demonstrates an AddressSanitizer abort, not code execution.

CVSS severity7.3
High
EPSS probability0.74%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Heap-based buffer overflow in Bento4 1.6.0-639 mp42hevc allows remote attackers to crash the tool via a crafted MP4 file. WriteSample reads one byte immediately beyond a four-byte AP4_DataBuffer while converting a malformed six-sample HEVC track. The file must reach an mp42hevc invocation or an integrating workflow; the public proof of concept demonstrates an AddressSanitizer abort, not code execution.

The record

CVE
CVE-2022-3670
Published
Oct 26, 2022
Updated
Apr 14, 2025
Vendor
Axiomatic Systems LLC
Product
Bento4
Classifications
CWE-119, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 26, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 14, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Axiomatic Systems LLC · Bento4version=n/a

Published CVSS scores

7.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
T1203Exploitation for Client Execution

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo