ACTIVELY EXPLOITED
CVE-2021-1905: Qualcomm Multiple Chipsets Use-After-Free Vulnerability
| Vendor | Qualcomm |
|---|---|
| Product | Multiple Chipsets |
| Actively exploited | Yes |
| Added to CISA KEV | 3 Nov 2021 |
| CISA federal deadline | 3 May 2022 |
| Weakness (CWE) | CWE-416 |
Required action (CISA's text)
Apply updates per vendor instructions.
Description (NVD)
Multiple Qualcomm Chipsets contain a use after free vulnerability due to improper handling of memory mapping of multiple processes simultaneously.
SOURCES
Other Qualcomm flaws
- CVE-2026-21385: Qualcomm Multiple Chipsets Memory Corruption Vulnerability
- CVE-2025-27038: Qualcomm Multiple Chipsets Use-After-Free Vulnerability
- CVE-2025-21480: Qualcomm Multiple Chipsets Incorrect Authorization Vulnerability
- CVE-2025-21479: Qualcomm Multiple Chipsets Incorrect Authorization Vulnerability
- CVE-2024-43047: Qualcomm Multiple Chipsets Use-After-Free Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.