CVE-2021-3323
High
Description
Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr. Zephyr versions >= >=2.4.0 contain Integer Underflow (Wrap or Wraparound) (CWE-191). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-89j6-qpxf-pfpc
SeverityHigh
CVSS8.3
Exploit probability—
ProductZephyr
PublishedOct 12, 2021
First seenOct 12, 2021
Weakness typeCWE-191CWE-191
How to fix
Update
- zephyrproject zephyr2.5.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zephyrproject zephyr | 2.4.0 ≤ v < 2.5.0 | 2.5.0 |
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