GSDK at a glance
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| Month | Vulnerabilities | Critical |
|---|---|---|
| Nov 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
| Sep 2026 | 0 | 0 |
| Aug 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Apr 2026 | 0 | 0 |
| Mar 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Jan 2026 | 0 | 0 |
| Dec 2025 | 0 | 0 |
| Nov 2025 | 0 | 0 |
| Oct 2025 | 0 | 0 |
| Sep 2025 | 0 | 0 |
| Aug 2025 | 0 | 0 |
| Jul 2025 | 0 | 0 |
| Jun 2025 | 0 | 0 |
| May 2025 | 0 | 0 |
| Apr 2025 | 0 | 0 |
| Mar 2025 | 0 | 0 |
| Feb 2025 | 0 | 0 |
| Jan 2025 | 0 | 0 |
| Dec 2024 | 0 | 0 |
12 results · Feed
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Medium 6.8
Uninitialized TRNG used for ECDSA after EM2/EM3 sleep for VSE devices
TRNG is used before initialization by ECDSA signing driver when exiting EM2/EM3 on Virtual Secure Vault (VSE) devices. This defect may allow Signature Spoofing by Key Recreation.This issue affects Gecko SDK through v4.4.0.
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Medium 6.5
Silicon Labs EFR32 Bluetooth stack denial of service when sending notifications to multiple clients
A memory leak in the Silicon Labs' Bluetooth stack for EFR32 products may cause memory to be exhausted when sending notifications to multiple clients, this results in all Bluetooth operations, such as advertising and scanning, to stop.
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High 7.5
Zigbee Unauthenticated DoS via NWK Sequence number manipulation
Prior to v7.4.0, Ember ZNet is vulnerable to a denial of service attack through manipulation of the NWK sequence number
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High 7.5CVE-2023-6387 Public exploit
Incorrect buffer parsing in Bluetooth LE sample code may lead to buffer overflow
A potential buffer overflow exists in the Bluetooth LE HCI CPC sample application in the Gecko SDK which may result in a denial of service or remote code execution
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Medium 6.8
Glitch detection not active by default in Silicon Labs Secure Vault High devices
Glitch detection is not enabled by default for the CortexM33 core in Silicon Labs secure vault high parts EFx32xG2xB, except EFR32xG21B.
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Critical 9.3
Unvalidated input in Silicon Labs TrustZone implementation leads to accessing Trusted memory region
An unvalidated input in Silicon Labs TrustZone implementation in v4.3.x and earlier of the Gecko SDK allows an attacker to access the trusted region of memory from the untrusted region.
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Medium 4.6
Potential Timing vulnerability in CBC PKCS7 padding calculations
An Observable Timing Discrepancy, Covert Timing Channel vulnerability in Silabs GSDK on ARM potentially allows Padding Oracle Crypto Attack on CBC PKCS7.This issue affects GSDK: through 4.4.0.
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Critical 9.0
Unvalidated input in Silicon Labs PSA Attestation service leads to secure memory access from non-secure memory
An unvalidated input in a library function responsible for communicating between secure and non-secure memory in Silicon Labs TrustZone implementation allows reading/writing of memory in the secure region of memory from the non-secure region of memory.
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High 7.7
Integer overflow in Silicon Labs Gecko Bootloader leads to unbounded memory access
An integer overflow in Silicon Labs Gecko Bootloader version 4.3.1 and earlier allows unbounded memory access when reading from or writing to storage slots.
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Medium 5.9
Bluetooth LE segmented 'prepare write response' packet may lead to out-of-bounds memory access
Forcing the Bluetooth LE stack to segment 'prepare write response' packets can lead to an out-of-bounds memory access.
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Low 3.1
Uninitialized IV in Silicon Labs SE FW v2.0.0 through v 2.2.1 for internally stored data
The initialization vector (IV) used by the secure engine (SE) for encrypting data stored in the SE flash memory is uninitialized.
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Medium 6.5
Bluetooth LE Invalid prepare write request command leads to denial of service
An invalid ‘prepare write request’ command can cause the Bluetooth LE stack to run out of memory and fail to be able to handle subsequent connection requests, resulting in a denial-of-service.