FFmpeg IAMF File iamf_parse.c audio_element_obu memory leak
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-401.
Summary
A vulnerability classified as problematic has been found in FFmpeg up to 6e26f57f672b05e7b8b052007a83aef99dc81ccb. This affects the function audio_element_obu of the file libavformat/iamf_parse.c of the component IAMF File Handler. The manipulation of the argument num_parameters leads to memory leak. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 0526535cd58444dd264e810b2f3348b4d96cff3b. It is recommended to apply a patch to fix this issue.
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 |
|---|---|---|---|---|---|
| — | FFmpeg | 6e26f57f672b05e7b8b052007a83aef99dc81ccb | — | No fix listed | CNA |
- FFmpeg Vendor— Affected 6e26f57f672b05e7b8b052007a83aef99dc81ccb Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2025-1816
- 2026-10-03 Alias added: GHSA-77wf-7c6r-cx8j
References
Sources
- CVE-2025-1816 · CVE Program
- CVE-2025-1816 · NVD
- FIRST EPSS
- GHSA-77wf-7c6r-cx8j · GitHub Advisory Database · CC BY 4.0
- CVE-2025-1816 · Red Hat security data · CC BY 4.0
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