CVE-2022-3670 — A vulnerability was found in Axiomatic Bento4

A vulnerability was found in Axiomatic Bento4. It has been classified as critical. Affected is the function WriteSample of the component mp42hevc. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to

01What is this vulnerability?

A vulnerability was found in Axiomatic Bento4. It has been classified as critical. Affected is the function WriteSample of the component mp42hevc. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-212010 is the identifier assigned to this vulnerability.

02Affected products

Vendor	Product	Versions
Axiomatic	Bento4	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-10-26T00:00:00.000Z
• Last modified: 2025-04-14T15:56:50.367Z

09References

• github.com — https://github.com/axiomatic-systems/Bento4/issues/776
• github.com — https://github.com/axiomatic-systems/Bento4/files/9675049/Bug_3_POC.zip
• vuldb.com — https://vuldb.com/?id.212010