CVE-2023-33034

Memory corruption via signed ADSP response conversion

Published Oct 3, 2023 · Updated Feb 27, 2025

Signed-to-unsigned conversion in Qualcomm Snapdragon Audio allows local users to corrupt memory through a crafted ADSP response command. The Audio DSP response parser converts a signed response-command value to an unsigned type, but Qualcomm has not disclosed the affected routine or resulting memory operation. Low-privileged local access is required; the published record does not establish whether exploitation permits controlled code execution or only an unintended crash.

CVSS severity7.8
High
EPSS probability0.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Signed-to-unsigned conversion in Qualcomm Snapdragon Audio allows local users to corrupt memory through a crafted ADSP response command. The Audio DSP response parser converts a signed response-command value to an unsigned type, but Qualcomm has not disclosed the affected routine or resulting memory operation. Low-privileged local access is required; the published record does not establish whether exploitation permits controlled code execution or only an unintended crash.

The record

CVE
CVE-2023-33034
Published
Oct 3, 2023
Updated
Feb 27, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-195
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 3, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 27, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=CSRA6620
  2. Affected versionversion=CSRA6640
  3. Affected versionversion=FastConnect 6200
  4. Affected versionversion=FastConnect 6700
  5. Affected versionversion=FastConnect 6900
  6. Affected versionversion=Flight RB5 5G Platform
  7. Affected versionversion=QAM8295P
  8. Affected versionversion=QCA6391
  9. Affected versionversion=QCA6574AU
  10. Affected versionversion=QCA6595
  11. Affected versionversion=QCA6595AU
  12. Affected versionversion=QCA6696
  13. Affected versionversion=QCA6698AQ
  14. Affected versionversion=QCM6490
  15. Affected versionversion=QCN9011
  16. Affected versionversion=QCN9012
  17. Affected versionversion=QCS410
  18. Affected versionversion=QCS610
  19. Affected versionversion=QCS6490
  20. Affected versionversion=QRB5165M
  21. Affected versionversion=QRB5165N
  22. Affected versionversion=Qualcomm Video Collaboration VC1 Platform
  23. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  24. Affected versionversion=Robotics RB5 Platform
  25. Affected versionversion=SA4150P
  26. Affected versionversion=SA4155P
  27. Affected versionversion=SA6145P
  28. Affected versionversion=SA6150P
  29. Affected versionversion=SA6155P
  30. Affected versionversion=SA8145P
  31. Affected versionversion=SA8150P
  32. Affected versionversion=SA8155P
  33. Affected versionversion=SA8195P
  34. Affected versionversion=SA8295P
  35. Affected versionversion=SD888
  36. Affected versionversion=SM7315
  37. Affected versionversion=SM7325P
  38. Affected versionversion=Smart Audio 400 Platform
  39. Affected versionversion=Snapdragon 480 5G Mobile Platform
  40. Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
  41. Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
  42. Affected versionversion=Snapdragon 695 5G Mobile Platform
  43. Affected versionversion=Snapdragon 778G 5G Mobile Platform
  44. Affected versionversion=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
  45. Affected versionversion=Snapdragon 780G 5G Mobile Platform
  46. Affected versionversion=Snapdragon 782G Mobile Platform (SM7325-AF)
  47. Affected versionversion=Snapdragon 7c+ Gen 3 Compute
  48. Affected versionversion=Snapdragon 888 5G Mobile Platform
  49. Affected versionversion=Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
  50. Affected versionversion=WCD9335
  51. Affected versionversion=WCD9341
  52. Affected versionversion=WCD9370
  53. Affected versionversion=WCD9375
  54. Affected versionversion=WCD9380
  55. Affected versionversion=WCD9385
  56. Affected versionversion=WCN3950
  57. Affected versionversion=WCN3980
  58. Affected versionversion=WCN3988
  59. Affected versionversion=WCN6740
  60. Affected versionversion=WSA8810
  61. Affected versionversion=WSA8815
  62. Affected versionversion=WSA8830
  63. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Qualcomm · Snapdragonversion=CSRA6620; version=CSRA6640; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6900; version=Flight RB5 5G Platform; version=QAM8295P; version=QCA6391; version=QCA6574AU; version=QCA6595; version=QCA6595AU; version=QCA6696; version=QCA6698AQ; version=QCM6490; version=QCN9011; version=QCN9012; version=QCS410; version=QCS610; version=QCS6490; version=QRB5165M; version=QRB5165N; version=Qualcomm Video Collaboration VC1 Platform; version=Qualcomm Video Collaboration VC3 Platform; version=Robotics RB5 Platform; version=SA4150P; version=SA4155P; version=SA6145P; version=SA6150P; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155P; version=SA8195P; version=SA8295P; version=SD888; version=SM7315; version=SM7325P; version=Smart Audio 400 Platform; version=Snapdragon 480 5G Mobile Platform; version=Snapdragon 480+ 5G Mobile Platform (SM4350-AC); version=Snapdragon 4 Gen 1 Mobile Platform; version=Snapdragon 695 5G Mobile Platform; version=Snapdragon 778G 5G Mobile Platform; version=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE); version=Snapdragon 780G 5G Mobile Platform; version=Snapdragon 782G Mobile Platform (SM7325-AF); version=Snapdragon 7c+ Gen 3 Compute; version=Snapdragon 888 5G Mobile Platform; version=Snapdragon 888+ 5G Mobile Platform (SM8350-AC); version=WCD9335; version=WCD9341; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN6740; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8835

Published CVSS scores

7.8QualcommCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-195Signed to Unsigned Conversion Error

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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