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Findings

CVE-2023-33063

Qualcomm Multiple Chipsets Use-After-Free Vulnerability

Published Dec 4, 2023 · corrected/updated Jun 16, 2026 · qualcomm 315 5g iot modem firmware · evidence confidence very high

Multiple Qualcomm chipsets contain a use-after-free vulnerability due to memory corruption in DSP Services during a remote call from HLOS to DSP.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2023-33063 is a high public vulnerability record for qualcomm 315 5g iot modem firmware. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether qualcomm 315 5g iot modem firmware is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: qualcomm/315 5g iot modem firmware; qualcomm/apq8017 firmware; qualcomm/aqt1000 firmware; qualcomm/ar8031 firmware. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 7.8, EPSS 0.7%. CISA lists it as known exploited. Weakness classes: CWE-416. Sources contributing to this record: cisa_kev, cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since Dec 5, 2023. Listed in the CISA Known Exploited Vulnerabilities catalog.

  • Patch and remediation

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. CISA due date Dec 26, 2023.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 4, 2023 · Catalog

    Detected

    Multiple Qualcomm chipsets contain a use-after-free vulnerability due to memory corruption in DSP Services during a remote call from HLOS to DSP.

  2. Dec 5, 2023 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  3. Dec 26, 2023 · CISA KEV

    Remediation due

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  4. Jun 16, 2026 · Catalog

    Updated

    Multiple Qualcomm chipsets contain a use-after-free vulnerability due to memory corruption in DSP Services during a remote call from HLOS to DSP.

Affected

  • cpe qualcomm/315 5g iot modem firmwareversion unspecified
  • cpe qualcomm/apq8017 firmwareversion unspecified
  • cpe qualcomm/aqt1000 firmwareversion unspecified
  • cpe qualcomm/ar8031 firmwareversion unspecified
  • cpe qualcomm/ar8035 firmwareversion unspecified
  • cpe qualcomm/ar9380 firmwareversion unspecified
  • cpe qualcomm/c-v2x 9150 firmwareversion unspecified
  • cpe qualcomm/csr8811 firmwareversion unspecified
  • cpe qualcomm/csra6620 firmwareversion unspecified
  • cpe qualcomm/csra6640 firmwareversion unspecified
  • cpe qualcomm/csrb31024 firmwareversion unspecified
  • cpe qualcomm/wcn3991 firmwareversion unspecified
  • vendor Qualcomm Multiple Chipsetsversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2023-33063

    Multiple Qualcomm chipsets contain a use-after-free vulnerability due to memory corruption in DSP Services during a remote call from HLOS to DSP.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2023-33063

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-33063

    30-day exploitation probability 0.7%

    first.org
  • NIST NVDVulnerability recordCVE-2023-33063

    Memory corruption in DSP Services during a remote call from HLOS to DSP.

    nvd.nist.gov

References