CVE-2023-21663

Memory corruption during Display metadata access

Published Sep 5, 2023 · Updated Aug 2, 2024

Memory corruption in Qualcomm Snapdragon Display components allows local users with high privileges to corrupt memory through metadata access. Qualcomm identifies the locus as Display metadata access but does not disclose which buffer operation mishandles the metadata. Successful exploitation requires local access and high privileges, exposing or altering protected data or interrupting device operation.

CVSS severity6.7
Medium
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

Memory corruption in Qualcomm Snapdragon Display components allows local users with high privileges to corrupt memory through metadata access. Qualcomm identifies the locus as Display metadata access but does not disclose which buffer operation mishandles the metadata. Successful exploitation requires local access and high privileges, exposing or altering protected data or interrupting device operation.

The record

CVE
CVE-2023-21663
Published
Sep 5, 2023
Updated
Aug 2, 2024
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-119, CWE-787
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Sep 5, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record 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=AQT1000
  2. Affected versionversion=QCA6420
  3. Affected versionversion=QCA6430
  4. Affected versionversion=QCA6574AU
  5. Affected versionversion=QCA6696
  6. Affected versionversion=QCC5100
  7. Affected versionversion=SA6145P
  8. Affected versionversion=SA6150P
  9. Affected versionversion=SA6155P
  10. Affected versionversion=SA8145P
  11. Affected versionversion=SA8150P
  12. Affected versionversion=SA8155P
  13. Affected versionversion=SA8195P
  14. Affected versionversion=SD855
  15. Affected versionversion=SD888 5G
  16. Affected versionversion=SD 8 Gen1 5G
  17. Affected versionversion=SDA429W
  18. Affected versionversion=SW5100
  19. Affected versionversion=SW5100P
  20. Affected versionversion=WCD9341
  21. Affected versionversion=WCD9380
  22. Affected versionversion=WCD9385
  23. Affected versionversion=WCN3610
  24. Affected versionversion=WCN3660B
  25. Affected versionversion=WCN3680B
  26. Affected versionversion=WCN3980
  27. Affected versionversion=WCN3988
  28. Affected versionversion=WCN3998
  29. Affected versionversion=WCN6850
  30. Affected versionversion=WCN6851
  31. Affected versionversion=WCN6855
  32. Affected versionversion=WCN6856
  33. Affected versionversion=WCN7850
  34. Affected versionversion=WCN7851
  35. Affected versionversion=WSA8810
  36. Affected versionversion=WSA8815
  37. Affected versionversion=WSA8830
  38. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Qualcomm · Snapdragonversion=AQT1000; version=QCA6420; version=QCA6430; version=QCA6574AU; version=QCA6696; version=QCC5100; version=SA6145P; version=SA6150P; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155P; version=SA8195P; version=SD855; version=SD888 5G; version=SD 8 Gen1 5G; version=SDA429W; version=SW5100; version=SW5100P; version=WCD9341; version=WCD9380; version=WCD9385; version=WCN3610; version=WCN3660B; version=WCN3680B; version=WCN3980; version=WCN3988; version=WCN3998; version=WCN6850; version=WCN6851; version=WCN6855; version=WCN6856; version=WCN7850; version=WCN7851; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8835

Published CVSS scores

6.7Qualcomm, Inc.CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.8NIST NVDCVSS: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787Out-of-bounds Write

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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