Divide by zero in vgmstream Microsoft IMA decoder
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-369.
Summary
Versions of vgmstream up to r2117 are affected. A manipulation in the decode_ms_ima function of src/coding/ima_decoder.c, in the Microsoft IMA Decoder component, leads to a divide by zero (CWE-369). A remote attacker can trigger it with user interaction, causing a low impact on availability.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
A security vulnerability has been detected in vgmstream up to r2117. Affected is the function decode_ms_ima of the file src/coding/ima_decoder.c of the component Microsoft IMA Decoder. Such manipulation leads to divide by zero. The attack can be executed remotely.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| — | vgmstream | r2117 | — | No fix listed | CNA |
- vgmstream Vendor— Affected r2117 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for vgmstream.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-05 Threatist record created from CVE-2026-105250
- 2026-10-05 Alias added: GHSA-3mmp-rh6q-jfhh
References
Sources
- CVE-2026-105250 · CVE Program
- CVE-2026-105250 · NVD
- FIRST EPSS
- GHSA-3mmp-rh6q-jfhh · GitHub Advisory Database · CC BY 4.0
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