5.3
MEDIUM CVSS 3.1
CVE-2026-5236
Axiomatic Bento4 DSI v1 Ap4Dac4Atom.cpp SkipBits heap-based overflow
Description

A vulnerability was identified in Axiomatic Bento4 up to 1.6.0-641. Affected is the function AP4_BitReader::SkipBits of the file Ap4Dac4Atom.cpp of the component DSI v1 Parser. Such manipulation of the argument n_presentations leads to heap-based buffer overflow. The attack needs to be performed locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

INFO

Published Date :

March 31, 2026, 11:17 p.m.

Last Modified :

March 31, 2026, 11:17 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-5236 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM [email protected]
Solution
Patch the DSI v1 Parser to correct the heap-based buffer overflow vulnerability.
  • Update the DSI v1 Parser component.
  • Apply patches provided by the vendor.
  • Monitor for vendor security advisories.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-5236.

URL Resource
https://github.com/axiomatic-systems/Bento4/issues/1059
https://github.com/axiomatic-systems/Bento4/issues/1059#issue-4078584738
https://vuldb.com/submit/780473
https://vuldb.com/vuln/354387
https://vuldb.com/vuln/354387/cti
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-5236 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-5236 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-5236 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Mar. 31, 2026

    Action Type Old Value New Value
    Added Description A vulnerability was identified in Axiomatic Bento4 up to 1.6.0-641. Affected is the function AP4_BitReader::SkipBits of the file Ap4Dac4Atom.cpp of the component DSI v1 Parser. Such manipulation of the argument n_presentations leads to heap-based buffer overflow. The attack needs to be performed locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V2 (AV:L/AC:L/Au:S/C:P/I:P/A:P)
    Added CWE CWE-119
    Added CWE CWE-122
    Added Reference https://github.com/axiomatic-systems/Bento4/issues/1059
    Added Reference https://github.com/axiomatic-systems/Bento4/issues/1059#issue-4078584738
    Added Reference https://vuldb.com/submit/780473
    Added Reference https://vuldb.com/vuln/354387
    Added Reference https://vuldb.com/vuln/354387/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.