CVE-2026-21372
Heap-Based Buffer Overflow in Power Management IC
Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.
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
Heap-Based Buffer Overflow in Power Management IC
Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.
- Record
CVE-2026-21372- 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-122
- Updated
- 2026-11-02
EUVDEUVD-2026-19323
Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.
- Record
EUVD-2026-19323- 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-73jc-v74h-5w6r
Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.
Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.
- Record
GHSA-73jc-v74h-5w6r- 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-122
- Updated
- 2026-11-02
NVD
Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.
- Record
CVE-2026-21372- 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-122
- Updated
- 2026-11-02
Affected products
- qualcomm cologne firmware
- qualcomm fastconnect 6700 firmware
- qualcomm fastconnect 6900 firmware
- qualcomm fastconnect 7800 firmware
- qualcomm qcm5430 firmware
- qualcomm qcm6490 firmware
- qualcomm snapdragon 460 mobile platform firmware
- qualcomm snapdragon 662 mobile platform firmware
- qualcomm snapdragon 7c\+ gen 3 compute firmware
- qualcomm video collaboration vc3 platform firmware
- qualcomm wcd9370 firmware
- qualcomm wcd9375 firmware
Show 17 moreShow less
- qualcomm wcd9378c firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wcn3950 firmware
- qualcomm wcn3988 firmware
- qualcomm wsa8840 firmware
- qualcomm wsa8845 firmware
- qualcomm wsa8845h firmware
- qualcomm x2000077 firmware
- qualcomm x2000086 firmware
- qualcomm x2000090 firmware
- qualcomm x2000092 firmware
- qualcomm x2000094 firmware
- qualcomm xg101002 firmware
- qualcomm xg101032 firmware
- qualcomm xg101039 firmware
- qualcomm, inc. snapdragon
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-2026-21372 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 0.10%, the 0th percentile. No source names a fixed version.