CVE-2026-36908

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreHIGH confidence

Score 5.5 from GitHub Security Advisory published 2026-06-27. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A stack overflow in the AP4_Array::EnsureCapacity component of axiomatic-systems Bento4 before v1.8.9allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.

CVSS v3
5.5
EG Score
5.5(high)
EPSS
3.9%
KEV
Not listed

Published

June 26, 2026

Last Modified

June 29, 2026

Advisory Details (3)

Auto-updated Jun 29, 2026
No patch confirmed yet.
generic

fuzz_vuln/Bento4/mp42aac/poc4.zip at main · z1r00/fuzz_vuln · GitHub

https://github.com/z1r00/fuzz_vuln/blob/main/Bento4/mp42aac/poc4.zip
generic

Crash when opening crafted MP4 (Bento4 issues still reproducible) · Issue #1005 · Aleksoid1978/MPC-BE · GitHub

https://github.com/Aleksoid1978/MPC-BE/issues/1005
generic

out-of-memory in mp42aac · Issue #842 · axiomatic-systems/Bento4 · GitHub

https://github.com/axiomatic-systems/Bento4/issues/842

Vendor Advisories for CVE-2026-36908(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 20× in last 7d / 28× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 19:47 UTCEG score recompute
  2. 2026-07-06 19:47 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-05 19:34 UTCEG score recompute
  6. 2026-07-05 19:34 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-04 19:34 UTCEG score recompute
  9. 2026-07-04 19:34 UTCGHSA enrichment
  10. 2026-07-04 06:31 UTCEPSS rescore
  11. 2026-07-03 19:33 UTCEG score recompute
  12. 2026-07-03 19:33 UTCGHSA enrichment
  13. 2026-07-02 19:33 UTCEG score recompute
  14. 2026-07-02 19:33 UTCGHSA enrichment
  15. 2026-07-01 19:33 UTCEG score recompute
  16. 2026-07-01 19:33 UTCGHSA enrichment
  17. 2026-07-01 15:06 UTCEPSS rescore
  18. 2026-06-30 23:22 UTCEPSS rescore
  19. 2026-06-30 19:33 UTCEG score recompute
  20. 2026-06-30 19:33 UTCGHSA enrichment
  21. 2026-06-29 19:33 UTCEG score recompute▲ 5.50
  22. 2026-06-29 19:33 UTCGHSA enrichment
  23. 2026-06-29 14:06 UTCEPSS rescore
  24. 2026-06-29 13:32 UTCMITRE cvelistV5CVSS v3 → 5.5 · severity → MEDIUM
  25. 2026-06-28 14:07 UTCEPSS rescore
Show 3 more
  1. 2026-06-28 04:56 UTCEPSS rescore
  2. 2026-06-26 23:42 UTCEG score recompute
  3. 2026-06-26 23:42 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-36908?
CVE-2026-36908 is a medium vulnerability published on June 26, 2026. A stack overflow in the AP4Array<AP4TrunAtom::Entry>::EnsureCapacity component of axiomatic-systems Bento4 before v1.8.9allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.
When was CVE-2026-36908 disclosed?
CVE-2026-36908 was first published in the National Vulnerability Database on June 26, 2026, with the most recent update on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-36908 actively exploited?
CVE-2026-36908 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-36908?
CVE-2026-36908 has a CVSS v3.1 base score of 5.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-36908?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-36908, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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