CVE-2023-43555Network attack vector

Memory disclosure via invalid MP2 section length

Published Jun 3, 2024 · Updated Aug 2, 2024

Buffer over-read in Qualcomm Snapdragon Video allows remote attackers to disclose memory through an MP2 clip with an invalid section length. The Video MP2 parser trusts the invalid section length and reads beyond the section buffer while processing the clip. No authentication or user interaction is required; the read exposes memory contents and can also interrupt video processing.

CVSS severity8.2
High
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer over-read in Qualcomm Snapdragon Video allows remote attackers to disclose memory through an MP2 clip with an invalid section length. The Video MP2 parser trusts the invalid section length and reads beyond the section buffer while processing the clip. No authentication or user interaction is required; the read exposes memory contents and can also interrupt video processing.

The record

CVE
CVE-2023-43555
Published
Jun 3, 2024
Updated
Aug 2, 2024
Vendor
Qualcomm
Product
SA8155P Firmware
Classifications
CWE-125, CWE-126
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 3, 2024CVE 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=*

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · SA8155P Firmwareversion=*
Qualcomm · Qualcomm SM7315 Firmwareversion=*
Qualcomm · QCN9074 Firmwareversion=*
Qualcomm · Qualcomm WCN3660B Firmwareversion=*
Qualcomm · WCD9326 Firmwareversion=*
Qualcomm · QCS8250 Firmwareversion=*
Qualcomm · SW5100 Firmwareversion=*
Qualcomm · SW5100P Firmwareversion=*
Qualcomm · WCD9390 Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 4 Gen 1 Mobile Platform Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 4 Gen 2 Mobile Platform Firmwareversion=*
Qualcomm · Qualcomm WCD9375 Firmwareversion=*
Qualcomm · Qualcomm Video Collaboration VC5 Platform Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 820 Automotive Platform Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 680 4G Mobile Platform Firmwareversion=*
Qualcomm · QCS610 Firmwareversion=*
Qualcomm · Qualcomm SM8550P Firmwareversion=*
Qualcomm · WSA8810 Firmwareversion=*
Qualcomm · Qualcomm QCA6426 Firmwareversion=*
Qualcomm · SA6150P Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 778G 5G Mobile Platform Firmwareversion=*
Qualcomm · FastConnect 7800 Firmwareversion=*
Qualcomm · WCN3680B Firmwareversion=*
Qualcomm · QCM4490 Firmwareversion=*
Qualcomm · Qualcomm 215 Mobile Platform Firmwareversion=*
Qualcomm · QCS410 Firmwareversion=*
Qualcomm · QCS7230 Firmwareversion=*
Qualcomm · SA8195P Firmwareversion=*
Qualcomm · Qualcomm SD888 Firmwareversion=*
Qualcomm · QCM6490 Firmwareversion=*
Qualcomm · Qualcomm SM7325P Firmwareversion=*
Qualcomm · Snapdragonversion=AQT1000; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=MSM8996AU; version=QAM8295P; version=QCA6391; version=QCA6420; version=QCA6426; version=QCA6430; version=QCA6436; version=QCA6564A; version=QCA6564AU; version=QCA6574A; version=QCA6574AU; version=QCA6696; version=QCM4325; version=QCM4490; version=QCM5430; version=QCM6490; version=QCM8550; version=QCN9074; version=QCS410; version=QCS4490; version=QCS5430; version=QCS610; version=QCS6490; version=QCS7230; version=QCS8250; version=QCS8550; version=Qualcomm 215 Mobile Platform; version=Qualcomm Video Collaboration VC1 Platform; version=Qualcomm Video Collaboration VC3 Platform; version=Qualcomm Video Collaboration VC5 Platform; version=SA6145P; version=SA6150P; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155P; version=SA8195P; version=SA8295P; version=SD730; version=SD855; version=SD865 5G; version=SD888; version=SG4150P; version=SM6250; version=SM7250P; version=SM7315; version=SM7325P; version=SM8550P; version=Snapdragon 460 Mobile Platform; 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 662 Mobile Platform; version=Snapdragon 680 4G Mobile Platform; version=Snapdragon 685 4G Mobile Platform (SM6225-AD); version=Snapdragon 690 5G Mobile Platform; version=Snapdragon 695 5G Mobile Platform; version=Snapdragon 720G Mobile Platform; version=Snapdragon 730G Mobile Platform (SM7150-AB); version=Snapdragon 730 Mobile Platform (SM7150-AA); version=Snapdragon 732G Mobile Platform (SM7150-AC); 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 820 Automotive Platform; 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 2 Mobile Platform; version=Snapdragon 8+ Gen 2 Mobile Platform; version=Snapdragon W5+ Gen 1 Wearable Platform; version=Snapdragon Wear 4100+ Platform; version=Snapdragon X55 5G Modem-RF System; version=Snapdragon XR2 5G Platform; version=SW5100; version=SW5100P; version=SXR2130; version=WCD9326; version=WCD9341; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3610; version=WCN3615; version=WCN3660B; version=WCN3680B; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN6740; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H
Qualcomm · SA6155P Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 865 5G Mobile Platform Firmwareversion=*
Qualcomm · WSA8845H Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 8 Gen 1 Mobile Platform Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 695 5G Mobile Platform Firmwareversion=*
Qualcomm · Qualcomm SM6250 Firmwareversion=*
Qualcomm · QCS6490 Firmwareversion=*
Qualcomm · Qualcomm SD855 Firmwareversion=*
Qualcomm · SA8295P Firmwareversion=*
Qualcomm · SA8145P Firmwareversion=*
Qualcomm · FastConnect 6700 Firmwareversion=*
Qualcomm · Qualcomm QCA6564A Firmwareversion=*
Qualcomm · Qualcomm Video Collaboration VC1 Platform Firmwareversion=*
Qualcomm · FastConnect 6900 Firmwareversion=*
Qualcomm · QCS4490 Firmwareversion=*
Qualcomm · QCM8550 Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 480 5G Mobile Platform Firmwareversion=*
Qualcomm · QCS8550 Firmwareversion=*
Qualcomm · WCD9370 Firmwareversion=*
Qualcomm · SA8150P Firmwareversion=*
Qualcomm · QCA6420 Firmwareversion=*
Qualcomm · WSA8845 Firmwareversion=*
Qualcomm · Qualcomm SM7250P Firmwareversion=*
Qualcomm · Qualcomm WCD9341 Firmwareversion=*
Qualcomm · QCM5430 Firmwareversion=*
Qualcomm · QCS5430 Firmwareversion=*
Qualcomm · Snapdragon X55 5G Modem-RF System Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 662 Mobile Platform Firmwareversion=*
Qualcomm · Qualcomm QCA6564AU Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 460 Mobile Platform Firmwareversion=*
Qualcomm · WCN3988 Firmwareversion=*
Qualcomm · WCD9395 Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 855 Mobile Platform Firmwareversion=*
Qualcomm · QAM8295P Firmwareversion=*
Qualcomm · Qualcomm QCA6436 Firmwareversion=*
Qualcomm · QCA6574AU Firmwareversion=*
Qualcomm · Qualcomm WCN3615 Firmwareversion=*
Qualcomm · WCD9380 Firmwareversion=*
Qualcomm · Qualcomm WCN6740 Firmwareversion=*
Qualcomm · Qualcomm QCA6574A Firmwareversion=*
Qualcomm · WSA8840 Firmwareversion=*
Qualcomm · Qualcomm QCA6430 Firmwareversion=*
Qualcomm · Qualcomm SD730 Firmwareversion=*
Qualcomm · QCM4325 Firmwareversion=*
Qualcomm · MSM8996AU Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 780G 5G Mobile Platform Firmwareversion=*
Qualcomm · SA6145P Firmwareversion=*
Qualcomm · Qualcomm SD865 5G Firmwareversion=*
Qualcomm · Qualcomm WCN3610 Firmwareversion=*
Qualcomm · FastConnect 6200 Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 720G Mobile Platform Firmwareversion=*
Qualcomm · AQT1000 Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 690 5G Mobile Platform Firmwareversion=*
Qualcomm · Qualcomm SG4150P Firmwareversion=*
Qualcomm · WCN3950 Firmwareversion=*
Qualcomm · WSA8830 Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 888+ 5G Mobile Platform Firmwareversion=*
Qualcomm · QCA6391 Firmwareversion=*
Qualcomm · Qualcomm Snapdragon XR2 5G Platform Firmwareversion=*
Qualcomm · WCD9385 Firmwareversion=*
Qualcomm · WCN3980 Firmwareversion=*
Qualcomm · WSA8835 Firmwareversion=*
Qualcomm · Qualcomm Snapdragon 8 Gen 2 Mobile Platform Firmwareversion=*
Qualcomm · Qualcomm Video Collaboration VC3 Platform Firmwareversion=*
Qualcomm · FastConnect 6800 Firmwareversion=*
Qualcomm · WSA8832 Firmwareversion=*
Qualcomm · SXR2130 Firmwareversion=*
Qualcomm · QCA6696 Firmwareversion=*
Qualcomm · WSA8815 Firmwareversion=*

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
8.2Qualcomm, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

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-125Out-of-bounds Read
CWE-126Buffer Over-read

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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