SARA / Free Tools / CVE / CVE-2023-38666

CVE-2023-38666 — Bento4 v1

Bento4 v1.6.0-639 was discovered to contain a segmentation violation via the AP4_Processor::ProcessFragments function in mp4encrypt.

CVSS

5.5 —

EPSS

— (top 81.00%)

CWE

CWE-125

Published

2023-08-22 (3y 1m ago)

Last modified

2026-06-17

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

01What is this vulnerability?

Bento4 v1.6.0-639 was discovered to contain a segmentation violation via the AP4_Processor::ProcessFragments function in mp4encrypt.

No structured affected-product list available — see references below for vendor advisories.

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

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.

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

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

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

No additional references available in the KB record.

Want this in your SOAR or SIEM?
SARA's API returns EPSS, CVSS, KEV, and an analyst-grade summary in one call.