CVE-2021-3323: Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr
Published Oct 12, 2021
·Updated
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
Affected Software
1 affected component
zephyrproject zephyr>=2.4.0<2.5.0
Event History
Oct 12, 2021
CVE Published
via MITRE·09:50 PM
Data Sourced
via MITRE·09:50 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is CVE-2021-3323?
CVE-2021-3323 is an integer underflow vulnerability in 6LoWPAN IPHC header uncompression in Zephyr.
2
What software versions are affected by CVE-2021-3323?
Zephyr versions >=2.4.0 and <2.5.0 are affected by CVE-2021-3323.
3
How severe is CVE-2021-3323?
CVE-2021-3323 has a severity rating of 9.8 (Critical).
4
What is the Common Weakness Enumeration (CWE) ID for CVE-2021-3323?
CVE-2021-3323 is categorized as CWE-191 (Integer Underflow).
5
Where can I find more information about CVE-2021-3323?
You can find more information about CVE-2021-3323 at the following link: http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-89j6-qpxf-pfpc