CVE-2023-33049Network attack vector

Transient service interruption via heap leakage

Published Feb 6, 2024 · Updated Jun 17, 2025

Memory leakage in affected Qualcomm Snapdragon Multi-Mode Call Processors allows remote attackers to cause a transient service interruption. The processor fails to release heap allocations during user-equipment handling, allowing memory consumption to accumulate until the user equipment fails. No privileges or user interaction are required; the documented consequence is transient loss of service without confidentiality or integrity impact.

CVSS severity7.5
High
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Memory leakage in affected Qualcomm Snapdragon Multi-Mode Call Processors allows remote attackers to cause a transient service interruption. The processor fails to release heap allocations during user-equipment handling, allowing memory consumption to accumulate until the user equipment fails. No privileges or user interaction are required; the documented consequence is transient loss of service without confidentiality or integrity impact.

The record

CVE
CVE-2023-33049
Published
Feb 6, 2024
Updated
Jun 17, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-401, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 6, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 17, 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=315 5G IoT Modem
  2. Affected versionversion=AR8035
  3. Affected versionversion=FastConnect 6200
  4. Affected versionversion=FastConnect 6700
  5. Affected versionversion=FastConnect 6800
  6. Affected versionversion=FastConnect 6900
  7. Affected versionversion=FastConnect 7800
  8. Affected versionversion=QCA6174A
  9. Affected versionversion=QCA6391
  10. Affected versionversion=QCA6421
  11. Affected versionversion=QCA6426
  12. Affected versionversion=QCA6431
  13. Affected versionversion=QCA6436
  14. Affected versionversion=QCA6574A
  15. Affected versionversion=QCA6584AU
  16. Affected versionversion=QCA6595AU
  17. Affected versionversion=QCA6696
  18. Affected versionversion=QCA6698AQ
  19. Affected versionversion=QCA8081
  20. Affected versionversion=QCA8337
  21. Affected versionversion=QCC710
  22. Affected versionversion=QCM4490
  23. Affected versionversion=QCM6490
  24. Affected versionversion=QCM8550
  25. Affected versionversion=QCN6024
  26. Affected versionversion=QCN6224
  27. Affected versionversion=QCN6274
  28. Affected versionversion=QCN9024
  29. Affected versionversion=QCS4490
  30. Affected versionversion=QCS6490
  31. Affected versionversion=QCS8550
  32. Affected versionversion=QEP8111
  33. Affected versionversion=QFW7114
  34. Affected versionversion=QFW7124
  35. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  36. Affected versionversion=SD855
  37. Affected versionversion=SD865 5G
  38. Affected versionversion=SD888
  39. Affected versionversion=SDX55
  40. Affected versionversion=SDX57M
  41. Affected versionversion=SG8275P
  42. Affected versionversion=SM7250P
  43. Affected versionversion=SM7315
  44. Affected versionversion=SM7325P
  45. Affected versionversion=SM8550P
  46. Affected versionversion=Snapdragon 480 5G Mobile Platform
  47. Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
  48. Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
  49. Affected versionversion=Snapdragon 4 Gen 2 Mobile Platform
  50. Affected versionversion=Snapdragon 690 5G Mobile Platform
  51. Affected versionversion=Snapdragon 695 5G Mobile Platform
  52. Affected versionversion=Snapdragon 750G 5G Mobile Platform
  53. Affected versionversion=Snapdragon 765 5G Mobile Platform (SM7250-AA)
  54. Affected versionversion=Snapdragon 765G 5G Mobile Platform (SM7250-AB)
  55. Affected versionversion=Snapdragon 768G 5G Mobile Platform (SM7250-AC)
  56. Affected versionversion=Snapdragon 778G 5G Mobile Platform
  57. Affected versionversion=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
  58. Affected versionversion=Snapdragon 780G 5G Mobile Platform
  59. Affected versionversion=Snapdragon 782G Mobile Platform (SM7325-AF)
  60. Affected versionversion=Snapdragon 7c+ Gen 3 Compute
  61. Affected versionversion=Snapdragon 855+/860 Mobile Platform (SM8150-AC)
  62. Affected versionversion=Snapdragon 855 Mobile Platform
  63. Affected versionversion=Snapdragon 865 5G Mobile Platform
  64. Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
  65. Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
  66. Affected versionversion=Snapdragon 888 5G Mobile Platform
  67. Affected versionversion=Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
  68. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  69. Affected versionversion=Snapdragon 8+ Gen 1 Mobile Platform
  70. Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
  71. Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
  72. Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
  73. Affected versionversion=Snapdragon Auto 5G Modem-RF
  74. Affected versionversion=Snapdragon Auto 5G Modem-RF Gen 2
  75. Affected versionversion=Snapdragon X35 5G Modem-RF System
  76. Affected versionversion=Snapdragon X55 5G Modem-RF System
  77. Affected versionversion=Snapdragon X65 5G Modem-RF System
  78. Affected versionversion=Snapdragon X70 Modem-RF System
  79. Affected versionversion=Snapdragon X75 5G Modem-RF System
  80. Affected versionversion=Snapdragon XR2 5G Platform
  81. Affected versionversion=SXR2130
  82. Affected versionversion=WCD9340
  83. Affected versionversion=WCD9341
  84. Affected versionversion=WCD9360
  85. Affected versionversion=WCD9370
  86. Affected versionversion=WCD9375
  87. Affected versionversion=WCD9380
  88. Affected versionversion=WCD9385
  89. Affected versionversion=WCD9390
  90. Affected versionversion=WCD9395
  91. Affected versionversion=WCN3950
  92. Affected versionversion=WCN3988
  93. Affected versionversion=WCN6740
  94. Affected versionversion=WSA8810
  95. Affected versionversion=WSA8815
  96. Affected versionversion=WSA8830
  97. Affected versionversion=WSA8832
  98. Affected versionversion=WSA8835
  99. Affected versionversion=WSA8840
  100. Affected versionversion=WSA8845
  101. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=315 5G IoT Modem; version=AR8035; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=QCA6174A; version=QCA6391; version=QCA6421; version=QCA6426; version=QCA6431; version=QCA6436; version=QCA6574A; version=QCA6584AU; version=QCA6595AU; version=QCA6696; version=QCA6698AQ; version=QCA8081; version=QCA8337; version=QCC710; version=QCM4490; version=QCM6490; version=QCM8550; version=QCN6024; version=QCN6224; version=QCN6274; version=QCN9024; version=QCS4490; version=QCS6490; version=QCS8550; version=QEP8111; version=QFW7114; version=QFW7124; version=Qualcomm Video Collaboration VC3 Platform; version=SD855; version=SD865 5G; version=SD888; version=SDX55; version=SDX57M; version=SG8275P; version=SM7250P; version=SM7315; version=SM7325P; version=SM8550P; version=Snapdragon 480 5G Mobile Platform; version=Snapdragon 480+ 5G Mobile Platform (SM4350-AC); version=Snapdragon 4 Gen 1 Mobile Platform; version=Snapdragon 4 Gen 2 Mobile Platform; version=Snapdragon 690 5G Mobile Platform; version=Snapdragon 695 5G Mobile Platform; version=Snapdragon 750G 5G Mobile Platform; version=Snapdragon 765 5G Mobile Platform (SM7250-AA); version=Snapdragon 765G 5G Mobile Platform (SM7250-AB); version=Snapdragon 768G 5G Mobile Platform (SM7250-AC); 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 855+/860 Mobile Platform (SM8150-AC); version=Snapdragon 855 Mobile Platform; version=Snapdragon 865 5G Mobile Platform; version=Snapdragon 865+ 5G Mobile Platform (SM8250-AB); version=Snapdragon 870 5G Mobile Platform (SM8250-AC); version=Snapdragon 888 5G Mobile Platform; version=Snapdragon 888+ 5G Mobile Platform (SM8350-AC); version=Snapdragon 8 Gen 1 Mobile Platform; version=Snapdragon 8+ Gen 1 Mobile Platform; version=Snapdragon 8 Gen 2 Mobile Platform; version=Snapdragon 8+ Gen 2 Mobile Platform; version=Snapdragon 8 Gen 3 Mobile Platform; version=Snapdragon Auto 5G Modem-RF; version=Snapdragon Auto 5G Modem-RF Gen 2; version=Snapdragon X35 5G Modem-RF System; version=Snapdragon X55 5G Modem-RF System; version=Snapdragon X65 5G Modem-RF System; version=Snapdragon X70 Modem-RF System; version=Snapdragon X75 5G Modem-RF System; version=Snapdragon XR2 5G Platform; version=SXR2130; version=WCD9340; version=WCD9341; version=WCD9360; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3950; version=WCN3988; version=WCN6740; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H

Published CVSS scores

7.5QualcommCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-401Improper Release of Memory Before Removing Last Reference ('Memory Leak')
T1499.004Application or System Exploitation

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo