NULL pointer dereference in mp4v2 enables remote denial of service
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-476.
Summary
mp4v2 2.0.0 contains a NULL pointer dereference (CWE-476) in MP4File::GenerateTracks(). A remote attacker can trigger it without authentication or user interaction, causing a denial of service.
Written with Claude Haiku 5.5 from the sources below · 2026-10-27
Description from the CNA
mp4v2 2.0.0 contains a NULL pointer dereference vulnerability in MP4File::GenerateTracks() in src/mp4file.cpp. This allows a remote attacker to cause a denial of service
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
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
Remediation
The sources list no fixed version for mp4v2.
Written with Claude Haiku 5.5 from the sources below · 2026-10-27
Timeline
- 2026-10-13 Threatist record created from CVE-2026-95122
- 2026-10-13 Alias added: GHSA-wxhq-x7fc-42gw
- 2026-10-13 CVSS score added · CISA ADP
- 2026-10-13 Weakness changed · CISA ADP
- 2026-10-13 CISA SSVC decision points changed
- 2026-10-13 Priority changed: LOW → HIGH
References
Sources
- CVE-2026-95122 · CVE Program
- CVE-2026-95122 · NVD
- FIRST EPSS
- GHSA-wxhq-x7fc-42gw · GitHub Advisory Database · CC BY 4.0
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