CVE-2026-95121CWE-190

CVE-2026-95121

High · published October 13, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
2.7
In the wild
Unconfirmed
What it is

An issue in mp4v2 2.0.0 allows an attacker to execute arbitrary code via the MP4RtpAtom::ReadHntiType() in src/atom_rtp.cpp. A specially crafted MP4 file can cause an undersized rtp atom to produce a near-2^64 allocation size through an unchecked offset subtraction

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00135 · 2.7th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2026-10-13T19:17Z
References (5)
https://gist.github.com/1820893135-pixel/c56b6a1627453e67ca2fb7e29bae95c6 · [email protected]https://github.com/TechSmith/mp4v2/issues/98 · [email protected]https://github.com/TechSmith/mp4v2/pull/100 · [email protected]https://github.com/TechSmith/mp4v2/pull/100/changes/c7f4e1da1b75996a053b05b69be8e738bf77a26c · [email protected]https://github.com/TechSmith/mp4v2/issues/98 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 15 OCT 03:35Z
    EPSS moved — → 0%
    epss
  • 13 OCT 00:00Z
    An issue in mp4v2 2.0.0 allows an attacker to execute arbitrary code via the MP4RtpAtom::ReadHntiType() in src/atom_rtp.cpp
    cvelistv5
  • 13 OCT 00:00Z
    An issue in mp4v2 2.0.0 allows an attacker to execute arbitrary code via the MP4RtpAtom::ReadHntiType() in src/atom_rtp.cpp
    cvelistv5