CVE-2022-33266

Memory corruption via overflowing audio buffer size

Published Jan 6, 2023 · Updated Apr 9, 2025

Memory corruption in Qualcomm Snapdragon Audio allows local users to corrupt memory by playing modified AMR, EVRC, or QCELP clips. An integer overflow in the Audio component produces an undersized buffer during processing of modified clip content. Playback of modified content is required; successful exploitation can disclose or alter data or interrupt the affected device.

CVSS severity5.9
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 Audio allows local users to corrupt memory by playing modified AMR, EVRC, or QCELP clips. An integer overflow in the Audio component produces an undersized buffer during processing of modified clip content. Playback of modified content is required; successful exploitation can disclose or alter data or interrupt the affected device.

The record

CVE
CVE-2022-33266
Published
Jan 6, 2023
Updated
Apr 9, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-190, T1203
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 6, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 9, 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=APQ8009
  2. Affected versionversion=APQ8009W
  3. Affected versionversion=APQ8017
  4. Affected versionversion=APQ8064AU
  5. Affected versionversion=APQ8096AU
  6. Affected versionversion=AQT1000
  7. Affected versionversion=AR8031
  8. Affected versionversion=AR8035
  9. Affected versionversion=CSRA6620
  10. Affected versionversion=CSRA6640
  11. Affected versionversion=CSRB31024
  12. Affected versionversion=MDM9150
  13. Affected versionversion=MDM9206
  14. Affected versionversion=MDM9250
  15. Affected versionversion=MDM9607
  16. Affected versionversion=MDM9628
  17. Affected versionversion=MDM9650
  18. Affected versionversion=MSM8108
  19. Affected versionversion=MSM8208
  20. Affected versionversion=MSM8209
  21. Affected versionversion=MSM8608
  22. Affected versionversion=MSM8909W
  23. Affected versionversion=MSM8996AU
  24. Affected versionversion=QAM8295P
  25. Affected versionversion=QCA6174A
  26. Affected versionversion=QCA6310
  27. Affected versionversion=QCA6320
  28. Affected versionversion=QCA6335
  29. Affected versionversion=QCA6390
  30. Affected versionversion=QCA6391
  31. Affected versionversion=QCA6420
  32. Affected versionversion=QCA6421
  33. Affected versionversion=QCA6426
  34. Affected versionversion=QCA6430
  35. Affected versionversion=QCA6431
  36. Affected versionversion=QCA6436
  37. Affected versionversion=QCA6564
  38. Affected versionversion=QCA6564A
  39. Affected versionversion=QCA6564AU
  40. Affected versionversion=QCA6574
  41. Affected versionversion=QCA6574A
  42. Affected versionversion=QCA6574AU
  43. Affected versionversion=QCA6584AU
  44. Affected versionversion=QCA6595AU
  45. Affected versionversion=QCA6696
  46. Affected versionversion=QCA8337
  47. Affected versionversion=QCA9367
  48. Affected versionversion=QCA9377
  49. Affected versionversion=QCC5100
  50. Affected versionversion=QCN9074
  51. Affected versionversion=QCS405
  52. Affected versionversion=QCS410
  53. Affected versionversion=QCS605
  54. Affected versionversion=QCS610
  55. Affected versionversion=QRB5165
  56. Affected versionversion=Qualcomm215
  57. Affected versionversion=SA415M
  58. Affected versionversion=SA515M
  59. Affected versionversion=SA6145P
  60. Affected versionversion=SA6150P
  61. Affected versionversion=SA6155
  62. Affected versionversion=SA6155P
  63. Affected versionversion=SA8145P
  64. Affected versionversion=SA8150P
  65. Affected versionversion=SA8155
  66. Affected versionversion=SA8155P
  67. Affected versionversion=SA8195P
  68. Affected versionversion=SA8295P
  69. Affected versionversion=SD205
  70. Affected versionversion=SD210
  71. Affected versionversion=SD429
  72. Affected versionversion=SD625
  73. Affected versionversion=SD626
  74. Affected versionversion=SD660
  75. Affected versionversion=SD835
  76. Affected versionversion=SD845
  77. Affected versionversion=SD855
  78. Affected versionversion=SD865 5G
  79. Affected versionversion=SD870
  80. Affected versionversion=SD 8 Gen1 5G
  81. Affected versionversion=SDA429W
  82. Affected versionversion=SDM429W
  83. Affected versionversion=SDW2500
  84. Affected versionversion=SDX20
  85. Affected versionversion=SDX20M
  86. Affected versionversion=SDX24
  87. Affected versionversion=SDX55
  88. Affected versionversion=SDX55M
  89. Affected versionversion=SDXR1
  90. Affected versionversion=SDXR2 5G
  91. Affected versionversion=SW5100
  92. Affected versionversion=SW5100P
  93. Affected versionversion=WCD9326
  94. Affected versionversion=WCD9330
  95. Affected versionversion=WCD9335
  96. Affected versionversion=WCD9340
  97. Affected versionversion=WCD9341
  98. Affected versionversion=WCD9360
  99. Affected versionversion=WCD9370
  100. Affected versionversion=WCD9380
  101. Affected versionversion=WCD9385
  102. Affected versionversion=WCN3610
  103. Affected versionversion=WCN3615
  104. Affected versionversion=WCN3620
  105. Affected versionversion=WCN3660B
  106. Affected versionversion=WCN3680
  107. Affected versionversion=WCN3680B
  108. Affected versionversion=WCN3950
  109. Affected versionversion=WCN3980
  110. Affected versionversion=WCN3988
  111. Affected versionversion=WCN3990
  112. Affected versionversion=WCN3998
  113. Affected versionversion=WCN6850
  114. Affected versionversion=WCN6851
  115. Affected versionversion=WCN6855
  116. Affected versionversion=WCN6856
  117. Affected versionversion=WCN7850
  118. Affected versionversion=WCN7851
  119. Affected versionversion=WSA8810
  120. Affected versionversion=WSA8815
  121. Affected versionversion=WSA8830
  122. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=APQ8009; version=APQ8009W; version=APQ8017; version=APQ8064AU; version=APQ8096AU; version=AQT1000; version=AR8031; version=AR8035; version=CSRA6620; version=CSRA6640; version=CSRB31024; version=MDM9150; version=MDM9206; version=MDM9250; version=MDM9607; version=MDM9628; version=MDM9650; version=MSM8108; version=MSM8208; version=MSM8209; version=MSM8608; version=MSM8909W; version=MSM8996AU; version=QAM8295P; version=QCA6174A; version=QCA6310; version=QCA6320; version=QCA6335; version=QCA6390; version=QCA6391; version=QCA6420; version=QCA6421; version=QCA6426; version=QCA6430; version=QCA6431; version=QCA6436; version=QCA6564; version=QCA6564A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595AU; version=QCA6696; version=QCA8337; version=QCA9367; version=QCA9377; version=QCC5100; version=QCN9074; version=QCS405; version=QCS410; version=QCS605; version=QCS610; version=QRB5165; version=Qualcomm215; version=SA415M; version=SA515M; version=SA6145P; version=SA6150P; version=SA6155; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155; version=SA8155P; version=SA8195P; version=SA8295P; version=SD205; version=SD210; version=SD429; version=SD625; version=SD626; version=SD660; version=SD835; version=SD845; version=SD855; version=SD865 5G; version=SD870; version=SD 8 Gen1 5G; version=SDA429W; version=SDM429W; version=SDW2500; version=SDX20; version=SDX20M; version=SDX24; version=SDX55; version=SDX55M; version=SDXR1; version=SDXR2 5G; version=SW5100; version=SW5100P; version=WCD9326; version=WCD9330; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9360; version=WCD9370; version=WCD9380; version=WCD9385; version=WCN3610; version=WCN3615; version=WCN3620; version=WCN3660B; version=WCN3680; version=WCN3680B; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; 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

5.9Qualcomm, Inc.CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-190Integer Overflow or Wraparound
T1203Exploitation for Client Execution

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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