Memory corruption via improperly validated array index
Published Mar 7, 2023 · Updated Mar 5, 2025
Memory corruption in the Multi-mode call processor in Qualcomm Snapdragon allows remote attackers to corrupt memory via network input. The closed-source processor mishandles an array index without adequate bounds validation, but Qualcomm has not disclosed the array, index source, or out-of-bounds operation. The network path requires neither authentication nor user interaction; no narrower post-corruption consequence is publicly documented.
Summary
What happened
Memory corruption in the Multi-mode call processor in Qualcomm Snapdragon allows remote attackers to corrupt memory via network input. The closed-source processor mishandles an array index without adequate bounds validation, but Qualcomm has not disclosed the array, index source, or out-of-bounds operation. The network path requires neither authentication nor user interaction; no narrower post-corruption consequence is publicly documented.
The record
- CVE
- CVE-2022-33256
- Published
- Mar 7, 2023
- Updated
- Mar 5, 2025
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-129
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Mar 7, 2023CVE publishedPublication date reported by the CVE source.
- Mar 5, 2025Record 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=AR8035
- Affected versionversion=QCA6390
- Affected versionversion=QCA6391
- Affected versionversion=QCA6421
- Affected versionversion=QCA6426
- Affected versionversion=QCA6431
- Affected versionversion=QCA6436
- Affected versionversion=QCA6574A
- Affected versionversion=QCA6574AU
- Affected versionversion=QCA6595AU
- Affected versionversion=QCA6696
- Affected versionversion=QCA8081
- Affected versionversion=QCA8337
- Affected versionversion=QCM6490
- Affected versionversion=QCN6024
- Affected versionversion=QCN9024
- Affected versionversion=QCS6490
- Affected versionversion=QCX315
- Affected versionversion=SA515M
- Affected versionversion=SD480
- Affected versionversion=SD690 5G
- Affected versionversion=SD695
- Affected versionversion=SD750G
- Affected versionversion=SD765
- Affected versionversion=SD765G
- Affected versionversion=SD768G
- Affected versionversion=SD778G
- Affected versionversion=SD780G
- Affected versionversion=SD855
- Affected versionversion=SD865 5G
- Affected versionversion=SD870
- Affected versionversion=SD888
- Affected versionversion=SD888 5G
- Affected versionversion=SD 8 Gen1 5G
- Affected versionversion=SDX55
- Affected versionversion=SDX55M
- Affected versionversion=SDX57M
- Affected versionversion=SDX65
- Affected versionversion=SDX70M
- Affected versionversion=SDXR2 5G
- Affected versionversion=SM7250P
- Affected versionversion=SM7315
- Affected versionversion=SM7325P
- Affected versionversion=Snapdragon 4 Gen 1
- Affected versionversion=WCD9341
- Affected versionversion=WCD9360
- Affected versionversion=WCD9370
- Affected versionversion=WCD9375
- Affected versionversion=WCD9380
- Affected versionversion=WCD9385
- Affected versionversion=WCN3988
- Affected versionversion=WCN3991
- Affected versionversion=WCN3998
- Affected versionversion=WCN6740
- Affected versionversion=WCN6750
- Affected versionversion=WCN6850
- Affected versionversion=WCN6851
- Affected versionversion=WCN6855
- Affected versionversion=WCN6856
- Affected versionversion=WCN7850
- Affected versionversion=WCN7851
- Affected versionversion=WSA8810
- Affected versionversion=WSA8815
- Affected versionversion=WSA8830
- Affected versionversion=WSA8835
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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