CVE-2026-21382
Buffer Copy Without Checking Size of Input in Power Management IC
Memory Corruption when handling power management requests with improperly sized input/output buffers.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Buffer Copy Without Checking Size of Input in Power Management IC
Memory Corruption when handling power management requests with improperly sized input/output buffers.
- Record
CVE-2026-21382- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2026-19339
Memory Corruption when handling power management requests with improperly sized input/output buffers.
- Record
EUVD-2026-19339- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-m3w8-q34w-8f9j
Memory Corruption when handling power management requests with improperly sized input/output...
Memory Corruption when handling power management requests with improperly sized input/output buffers.
- Record
GHSA-m3w8-q34w-8f9j- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
Memory Corruption when handling power management requests with improperly sized input/output buffers.
- Record
CVE-2026-21382- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
- qualcomm cologne firmware
- qualcomm fastconnect 6900 firmware
- qualcomm fastconnect 7800 firmware
- qualcomm qca0000 firmware
- qualcomm sc8380xp firmware
- qualcomm wcd9378c firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wsa8840 firmware
- qualcomm wsa8845 firmware
- qualcomm wsa8845h firmware
- qualcomm x2000077 firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-21382 is a high vulnerability (CVSS 7.8) in Qualcomm Cologne Firmware, published April 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.08%, the 0th percentile. No source names a fixed version.