CVE-2021-3625

Critical

Description

Buffer overflow in Zephyr USB DFU DNLOAD. Zephyr versions >= v2.5.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363

SeverityCritical
CVSS9.6
Exploit probability—
ProductZephyr
PublishedOct 5, 2021
First seenOct 5, 2021
Weakness typeCWE-122CWE-122

How to fix

Update
  • zephyrproject zephyr2.7.0 or later

Affected products

ProductAffected versionsFixed in
zephyrproject zephyr2.5.0 ≤ v < 2.7.02.7.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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