CVE-2026-36908

CVSS 5.5 MEDIUMEPSS 0.1%CWE-121

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 5.5EPSS 0.1%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

26 Jun 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

A stack overflow in the AP4_Array<AP4_TrunAtom::Entry>::EnsureCapacity component of axiomatic-systems Bento4 before v1.8.9allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.

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

Affected products

n/a · n/a

public PoCs found — 1

cve_referencegithub.com/z1r00/fuzz_vuln/blob/main/Bento4/mp42aac/poc4.zipunverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

https://github.com/Aleksoid1978/MPC-BE/issues/1005 https://github.com/axiomatic-systems/Bento4/issues/842 https://github.com/z1r00/fuzz_vuln/blob/main/Bento4/mp42aac/poc4.zip