CVE-2026-88376 Bento4 - Denial of Service

Bento4 1.6.0.0 contains an integer underflow vulnerability caused by improper size validation in AP4_AvccAtom::Create() and AP4_HvccAtom::Create(), letting attackers cause denial of service via crafted MP4 files, exploit requires crafted MP4 file.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.39% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
24 September 2026
Updated
15 October 2026
Weakness
CWE-191

Vendor fix

Update to the latest version of Bento4.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs