CVE-2026-5235CWE-119CWE-122

Axiomatic Bento4 MP4 File Ap4Dac4Atom.cpp ReadCache heap-based overflow

Medium · published March 31, 2026

CVSS v4.0
4.8
EPSS
0%
Percentile
6.2
In the wild
Unconfirmed
What it is

A vulnerability was determined in Axiomatic Bento4 up to 1.6.0-641. This impacts the function AP4_BitReader::ReadCache of the file Ap4Dac4Atom.cpp of the component MP4 File Parser. This manipulation causes heap-based buffer overflow. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

The record
Technical detail
CVSS v4.0
4.8 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00171 · 6.2th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-122 · Heap-based Buffer Overflow
Published
2026-03-31T22:15Z
EPSS history
Timeline
  • 31 MAR 22:15Z
    Axiomatic Bento4 MP4 File Ap4Dac4Atom.cpp ReadCache heap-based overflow
    cvelistv5