High severity8.2NVD Advisory· Published Dec 11, 2020· Updated Jun 17, 2026
CVE-2020-24334
CVE-2020-24334
Description
The code that processes DNS responses in uIP through 1.0, as used in Contiki and Contiki-NG, does not check whether the number of responses specified in the DNS packet header corresponds to the response data available in the DNS packet, leading to an out-of-bounds read and Denial-of-Service in resolv.c.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- uIP/uIPdescription
Patches
Vulnerability mechanics
References
2- us-cert.cisa.gov/ics/advisories/icsa-20-343-01nvdThird Party AdvisoryUS Government Resource
- www.kb.cert.org/vuls/id/815128nvdThird Party AdvisoryUS Government Resource
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