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Medium 6.1Published Mar 14, 2026
CVE-2026-4179stm32: usb: Infinite while loop in Interrupt Handler
Updated under an hour ago ()
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It affects zephyrproject-rtos Zephyr and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Issues in stm32 USB device driver (drivers/usb/device/usb_dc_stm32.c) can lead to an infinite while loop.
- CVSS
- 6.1 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
- Weakness (CWE)
- CWE-835
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- zephyr
- NVD analysis
- Analyzed
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
zephyrproject-rtos Zephyr zephyrproject_rtos:zephyr (from the name) | before 3.7.2; from 4.0.0 before 4.2.2; from 4.3.0 before 4.3.1 | CNA record |
zephyrproject zephyr zephyrproject:zephyr | through 4.3.0 | NVD |
References
- https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-9xg7-g3q3-9prfexploit, patch, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.