CVE-2026-36908

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-26 · updated 2026-06-29
Weakness: CWE-121

Description

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.

References

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

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