PT-2026-29406 · Axiomatic · Bento4

Breakingbad · Published 2026-03-31 · Updated 2026-04-01 · CVE-2026-5236

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions Axiomatic Bento4 versions through 1.6.0-641

Description A flaw exists in Axiomatic Bento4 up to version 1.6.0-641. The issue resides in the AP4 BitReader::SkipBits function within the Ap4Dac4Atom.cpp file of the DSI v1 Parser component. Manipulation of the n presentations argument can lead to a heap-based buffer overflow. Local execution is required for exploitation. A public exploit is available and may be used.

Recommendations Versions prior to 1.6.0-641 should be used.

Exploit

Fix

Heap Based Buffer Overflow

Buffer Overflow

Weakness Enumeration

CWE-122

CWE-119

Related Identifiers

CVE-2026-5236

Affected Products

Bento4

References · 7

• 🔥 https://github.com/axiomatic-systems/Bento4/issues/1059#issue-4078584738 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-5236 · Security Note
• https://github.com/axiomatic-systems/Bento4/issues/1059 · Note
• https://twitter.com/CVEnew/status/2039279713609548017 · Twitter Post
• https://vuldb.com/vuln/354387/cti · Note
• https://vuldb.com/vuln/354387 · Note
• https://vuldb.com/submit/780473 · Note