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Vulnerabilities

Vulnerability · CVE-2023-33063

Qualcomm Multiple Chipsets Use-After-Free Vulnerability

Published Dec 4, 2023 · catalog updated Jun 16, 2026 · Qualcomm Multiple Chipsets

Patch now

CVE-2023-33063 is in the CISA known-exploited catalog, due Dec 26, 2023. Confirm Qualcomm Multiple Chipsets against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High7.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.67%
Remediation
Remediation guidance
Affected products
cpe qualcomm/315 5g iot modem firmware · cpe qualcomm/apq8017 firmware · cpe qualcomm/aqt1000 firmware · cpe qualcomm/ar8031 firmware · cpe qualcomm/ar8035 firmware · cpe qualcomm/ar9380 firmware

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • 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

How to fix CVE-2023-33063

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-33063 is in the CISA known-exploited catalog, due Dec 26, 2023. Confirm Qualcomm Multiple Chipsets against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

CWE-416: Use After Free. EPSS 0.67%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

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.

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
  • VulnCheck 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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.