CVE-2023-3488 json
Uninitialized variable in Gecko Bootloader can leak secure stack
published 2023-07-28 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-44147
- cvss
- 3.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 17%
- public exploits
- 0
- none known
Summary
Uninitialized buffer in GBL parser in Silicon Labs GSDK v4.3.0 and earlier allows attacker to leak data from Secure stack via malformed GBL file.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
Affected products
- silabs.com Gecko Bootloader
Classification
- Weakness
-
- CWE-908 Use of Uninitialized Resource
References
-
github.com
/SiliconLabs/gecko_sdk/releases
patch, release-notes
-
community.silabs.com
/sfc/servlet.shepherd/document/download/0698Y00000Wi3HwQAJ?operationContext=S1
vendor-advisory, permissions-required
Sources
- CVE List CVE-2023-3488
- NVD CVE-2023-3488
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