# CVE-2023-33063: Qualcomm Multiple Chipsets Use-After-Free Vulnerability

Source: https://junglewise.ai/threats/cve-2023-33063-qualcomm-multiple-chipsets-use-after-free-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-12-05. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

CVE-2023-33063 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2023-12-05

A use-after-free vulnerability exists in Qualcomm chipsets due to memory corruption in DSP Services. This occurs during a remote call from the High-Level Operating System (HLOS) to the Digital Signal Processor (DSP).

Technologies: [Qualcomm Multiple Chipsets](https://junglewise.ai/threats/technologies/multiple-chipsets). Vendors: [Qualcomm](https://junglewise.ai/threats/vendors/qualcomm).

## Quick answers

**Is CVE-2023-33063 exploited in the wild?** Yes. CVE-2023-33063 is known to be exploited in the wild, first recorded on 5 December 2023. Treat it as urgent.

**How severe is CVE-2023-33063?** Critical severity, with a CVSS score of 7.8, published 5 December 2023.

**Which products and versions are affected?** Qualcomm 315 5G IoT Modem Firmware -; Qualcomm APQ8017 Firmware -.

**Is there a fix for CVE-2023-33063?** A patch was published on 2023-12-05: Qualcomm released a security bulletin and patches in December 2023. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2023-33063 attacked?** It is attacked with local access, in device firmware.

**Am I affected by CVE-2023-33063?** Check whether you run Qualcomm Multiple Chipsets. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Qualcomm 315 5G IoT Modem Firmware -
- Qualcomm APQ8017 Firmware -

## Timeline

- 2023-12-05: disclosed
- 2023-12-05: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2023-12-05: patched: Qualcomm released a security bulletin and patches in December 2023.
- exploited: Reported as exploited in the wild per CISA and advisory data.

## Related threats

- [Qualcomm Multiple Chipsets memory corruption in memory allocation](https://junglewise.ai/threats/cve-2026-21385-qualcomm-multiple-chipsets-memory-corruption-in-memory-allocation)
- [Qualcomm Adreno GPU driver use-after-free vulnerability](https://junglewise.ai/threats/cve-2025-27038-qualcomm-adreno-gpu-driver-use-after-free-vulnerability)
- [Qualcomm Multiple Chipsets incorrect authorization in GPU micronode](https://junglewise.ai/threats/cve-2025-21479-qualcomm-multiple-chipsets-incorrect-authorization-in-gpu)
- [Qualcomm Multiple Chipsets incorrect authorization in GPU micronode](https://junglewise.ai/threats/cve-2025-21480-qualcomm-multiple-chipsets-incorrect-authorization-in-gpu)
- [Qualcomm Multiple Chipsets Use-After-Free Vulnerability](https://junglewise.ai/threats/cve-2024-43047-qualcomm-multiple-chipsets-use-after-free-vulnerability)