EUVD-2026-52728
GHSA-q2v3-gr28-5g2f
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local driver/firmware interface requires low-privilege process access; integer overflow with full memory corruption warrants high C/I/A; no scope change as impact is contained to the vulnerable system.
Primary rating from Vendor (qualcomm).
CVSS VectorVendor: qualcomm
Lifecycle Timeline
2DescriptionCVE.org
Memory corruption while processing a packet with a size close to the maximum allowed value.
AnalysisAI
Memory corruption in Qualcomm Snapdragon platforms occurs when a packet with a size value near the maximum allowable limit is processed, triggering an integer overflow (CWE-190) that leads to a buffer overflow condition. Affected Snapdragon chipsets - used extensively in Android smartphones, IoT, and automotive platforms - are exposed to local exploitation with low privileges, yielding high confidentiality, integrity, and availability impact. No public exploit code and no CISA KEV listing are identified at time of analysis; the vulnerability was disclosed via Qualcomm's August 2026 Security Bulletin.
Technical ContextAI
The root cause is classified as CWE-190 (Integer Overflow or Wraparound): when a packet's size field is crafted to be near the maximum representable integer value, an arithmetic operation on that value overflows, producing a smaller-than-expected result that is used to allocate or bound a memory buffer. The subsequent write into that undersized buffer constitutes a classic heap or stack overflow, enabling memory corruption. The affected product is identified by CPE cpe:2.3:a:qualcomm,_inc.:snapdragon:*:*:*:*:*:*:*:* - the wildcard version component indicates all Snapdragon variants are potentially in scope. Snapdragon SoCs integrate modem, DSP, and application processor subsystems; packet processing at this level typically occurs in modem firmware, WLAN/Bluetooth drivers, or DSP offload paths, making the precise component unclear from available data alone.
RemediationAI
The primary fix is to apply the patches detailed in Qualcomm's August 2026 Security Bulletin at https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2026-bulletin.html. OEM device manufacturers (Samsung, Xiaomi, OnePlus, etc.) typically integrate Qualcomm's patches into monthly Android Security Bulletins with a lag of one to three months; users should apply the latest available OEM firmware update for their specific device. An exact patched firmware or driver version is not independently confirmed from the available data - consult the Qualcomm bulletin directly for version specifics. As a compensating control where patching is not immediately possible, restricting local code execution to trusted applications and enforcing strict app sandboxing policies (e.g., SELinux enforcing mode on Android) reduces the risk surface by making the PR:L prerequisite harder to satisfy. Note that these mitigations do not eliminate the vulnerability and should be treated as temporary measures only.
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Same weakness CWE-190 – Integer Overflow or Wraparound
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today