CVE-2018-14403
MP4NameFirstMatches in mp4util.cpp in MP4v2 2.0.0 mishandles substrings of atom names, leading to use of an inappropriate data type for associated atoms. The resulting type confusion can cause
02 Description
MP4NameFirstMatches in mp4util.cpp in MP4v2 2.0.0 mishandles substrings of atom names, leading to use of an inappropriate data type for associated atoms. The resulting type confusion can cause
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.90% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 86.7% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-07-19 00:00Z8 YR AGO
- Last updated
- 2024-08-05 09:29Z2 YR AGO
- Reserved
- 2018-07-18
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-704Incorrect Type Conversion or CastClass
- Data version
- 5.1
- Document digest
- feb3b34f0109c413b4e964f040235dd76f8f98afee047f9a7251e659191dca93
05 Affected products
06 References
- www.openwall.comhttp://www.openwall.com/lists/oss-security/2018/07/18/3
- lists.fedoraproject.orgFEDORA-2019-d53d4a79achttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YCHVOYPIBGM5HYUMQ77KZH2IHSITKVE/
- lists.fedoraproject.orgFEDORA-2019-1030f4816ahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FRSO2IMK6P7MOIZWGWKONPIEHKBA7WL3/
- lists.fedoraproject.orgFEDORA-2019-6469ad8129https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GISUIWPKBWPXORUFNWBGFTKQS7UUVUC4/
- github.comhttps://github.com/enzo1982/mp4v2/releases/tag/v2.1.0
07 Fixed in
Arch Linux
- libmp4v2 Fixed in 4.1.3-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- mp4v2 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- mp4v2 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.