CVE-2026-4179
CVE-2026-4179 is a medium-severity vulnerability in Zephyrproject Zephyr with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-835.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- EPSS exploit prediction: 0% (8th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-12190
- Weakness: CWE-835
- Affected product: Zephyrproject Zephyr
- Published:
- Last modified:
Description
Issues in stm32 USB device driver (drivers/usb/device/usb_dc_stm32.c) can lead to an infinite while loop.
Frequently asked questions
- What is CVE-2026-4179?
- Issues in stm32 USB device driver (drivers/usb/device/usb_dc_stm32.c) can lead to an infinite while loop.
- How severe is CVE-2026-4179?
- CVE-2026-4179 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
- Is CVE-2026-4179 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-4179?
- CVE-2026-4179 affects Zephyrproject Zephyr. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-4179?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-4179 have an EU (EUVD) identifier?
- Yes. CVE-2026-4179 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12190.
- When was CVE-2026-4179 published?
- CVE-2026-4179 was published on 2026-03-16 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*
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