Memory corruption via unchecked SMS buffer copy
Published Dec 5, 2023 · Updated Feb 25, 2026
Buffer overflow in Qualcomm Snapdragon Radio Interface Layer firmware allows local users with high privileges to corrupt memory while sending SMS. The affected copy operation handles SMS data from AP firmware without adequate bounds checking, but Qualcomm has not disclosed the function, buffer, or input field. Access requires high local privileges and no user interaction; the resulting execution or service-failure behavior remains undisclosed.
Summary
What happened
Buffer overflow in Qualcomm Snapdragon Radio Interface Layer firmware allows local users with high privileges to corrupt memory while sending SMS. The affected copy operation handles SMS data from AP firmware without adequate bounds checking, but Qualcomm has not disclosed the function, buffer, or input field. Access requires high local privileges and no user interaction; the resulting execution or service-failure behavior remains undisclosed.
The record
- CVE
- CVE-2023-33024
- Published
- Dec 5, 2023
- Updated
- Feb 25, 2026
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-120
- Attack vector
- local
- Privileges
- admin
Timeline
How it unfolded
- Dec 5, 2023CVE publishedPublication date reported by the CVE source.
- Feb 25, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=AQT1000
- Affected versionversion=AR8035
- Affected versionversion=FastConnect 6200
- Affected versionversion=FastConnect 6800
- Affected versionversion=FastConnect 6900
- Affected versionversion=FastConnect 7800
- Affected versionversion=QAM8295P
- Affected versionversion=QCA6310
- Affected versionversion=QCA6320
- Affected versionversion=QCA6391
- Affected versionversion=QCA6420
- Affected versionversion=QCA6426
- Affected versionversion=QCA6430
- Affected versionversion=QCA6436
- Affected versionversion=QCA6574AU
- Affected versionversion=QCA6595AU
- Affected versionversion=QCA6696
- Affected versionversion=QCA6698AQ
- Affected versionversion=QCA8081
- Affected versionversion=QCA8337
- Affected versionversion=QCC710
- Affected versionversion=QCN6224
- Affected versionversion=QCN6274
- Affected versionversion=QFW7114
- Affected versionversion=QFW7124
- Affected versionversion=SA4150P
- Affected versionversion=SA4155P
- Affected versionversion=SA6145P
- Affected versionversion=SA6150P
- Affected versionversion=SA6155P
- Affected versionversion=SA8145P
- Affected versionversion=SA8150P
- Affected versionversion=SA8155P
- Affected versionversion=SA8195P
- Affected versionversion=SA8295P
- Affected versionversion=SD835
- Affected versionversion=SD855
- Affected versionversion=SD865 5G
- Affected versionversion=Snapdragon 835 Mobile PC Platform
- Affected versionversion=Snapdragon 855+/860 Mobile Platform (SM8150-AC)
- Affected versionversion=Snapdragon 855 Mobile Platform
- Affected versionversion=Snapdragon 865 5G Mobile Platform
- Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
- Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
- Affected versionversion=Snapdragon Auto 5G Modem-RF
- Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
- Affected versionversion=Snapdragon Wear 4100+ Platform
- Affected versionversion=Snapdragon X55 5G Modem-RF System
- Affected versionversion=Snapdragon X75 5G Modem-RF System
- Affected versionversion=Snapdragon XR2 5G Platform
- Affected versionversion=SW5100
- Affected versionversion=SW5100P
- Affected versionversion=SXR2130
- Affected versionversion=WCD9335
- Affected versionversion=WCD9340
- Affected versionversion=WCD9341
- Affected versionversion=WCD9380
- Affected versionversion=WCN3610
- Affected versionversion=WCN3660B
- Affected versionversion=WCN3680B
- Affected versionversion=WCN3980
- Affected versionversion=WCN3988
- Affected versionversion=WCN3990
- Affected versionversion=WSA8810
- Affected versionversion=WSA8815
- Affected versionversion=WSA8830
- Affected versionversion=WSA8835
What conditions does exploitation require?
What is affected?
Published CVSS scores
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.
Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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