CVE-2021-3323: high-severity vulnerability in zephyrproject-rtos zephyr
Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.3epss 0.9%
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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
Affected products
zephyrproject-rtos · zephyrRelated CVEs — zephyrproject-rtos zephyr
In the same product, most dangerous first.
CVE-2020-10071CRITICALInsufficient publish message length validation in MQTTEPSS 3.4%CVE-2020-10070CRITICALMQTT buffer overflow on receive bufferEPSS 2.9%CVE-2020-10062CRITICALPacket length decoding error in MQTTEPSS 2.9%CVE-2020-10022CRITICALUpdateHub Module Copies a Variable-Size Hash String Into a Fixed-Size ArrayEPSS 2.3%CVE-2021-3625CRITICALBuffer overflow in Zephyr USB DFU DNLOADEPSS 2.3%CVE-2020-10063MEDIUMRemote Denial of Service in CoAP Option Parsing Due To Integer OverflowEPSS 1.8%