mp4v2 v2.1.3 was discovered to contain a memory leak via MP4File::ReadString() at mp4file_io.cpp
Priority HIGH 73CWE-401Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-401.
Summary
mp4v2 v2.1.3 was discovered to contain a memory leak via MP4File::ReadString() at mp4file_io.cpp
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0072 54th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mp4v2_project:mp4v2:2.1.3:*:*:*:*:*:*:* | 2.1.3 | Vulnerable | Mp4v2 Project |
- cpe:2.3:a:mp4v2_project:mp4v2:2.1.3:*:*:*:*:*:*:* Versions 2.1.3 Vulnerable ·Mp4v2 Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-33718
- 2026-10-03 Alias added: GHSA-rhxx-5274-w2gp
References
More Mp4v2 Project Mp4v2 vulnerabilities
- TI-2023-13936 mp4v2 v2.0.0 was discovered to contain a heap buffer overflow via the MP4GetVideoProfileLevel function at /src/mp4.cpp. CVSS 3.1HIGH 8.8
- TI-2023-13930 mp4v2 v2.0.0 was discovered to contain a heap buffer overflow via the… CVSS 3.1HIGH 8.8
- TI-2023-16652 mp4v2 v2.1.2 was discovered to contain a memory leak via the class MP4BytesProperty. CVSS 3.1MEDIUM 6.5
- TI-2023-01369 MP4v2 mp4trackdump.cpp DumpTrack denial of service CVSS 3.1MEDIUM 5.5
- TI-2018-05329 The MP4Atom class in mp4atom.cpp in MP4v2 through 2.0.0 mishandles Entry Number… CVSS 3.0HIGH 8.8
- TI-2018-12322 The function MP4Free() in mp4property.cpp in libmp4v2 2.1.0 internally calls free() on a… CVSS 3.0MEDIUM 6.5
Sources
- CVE-2023-33718 · CVE Program
- CVE-2023-33718 · NVD
- FIRST EPSS
- GHSA-rhxx-5274-w2gp · GitHub Advisory Database · CC BY 4.0
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