Qualcomm Snapdragon Mobile Buffer Plane Manager memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $5k-$25k | 0.00+ |
Summary
A vulnerability was found in Qualcomm Snapdragon Mobile. It has been declared as critical. This vulnerability affects unknown code of the component Buffer Plane Manager. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2026-21370. The attack can be launched remotely. No exploit exists.
Details
A vulnerability was found in Qualcomm Snapdragon Mobile (version now known). It has been declared as critical. This vulnerability affects some unknown processing of the component Buffer Plane Manager. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Memory Corruption when validating input batch size and buffer plane count exceeds maximum allowed values.
The advisory is available at docs.qualcomm.com. This vulnerability was named CVE-2026-21370 since 12/17/2025. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 07/06/2026).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.qualcomm.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.3
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
12/17/2025 CVE reserved07/06/2026 Advisory disclosed
07/06/2026 VulDB entry created
07/06/2026 VulDB entry last update
Sources
Vendor: qualcomm.comAdvisory: docs.qualcomm.com
Status: Confirmed
CVE: CVE-2026-21370 (🔒)
GCVE (CVE): GCVE-0-2026-21370
GCVE (VulDB): GCVE-100-376522
Entry
Created: 07/06/2026 22:44Changes: 07/06/2026 22:44 (52)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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