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CVE-2026-27703

🗓️ 26 Mar 2026 15:01:40Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com

RIOT buffer overflow in coap_well_known_core_default_handler causes stack corruption.

Related
Refs
ReporterTitlePublishedViews
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ATTACKERKB
CVE-2026-27703
11 Mar 202619:38
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RIOT 缓冲区错误漏洞
11 Mar 202600:00
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CVE-2026-27703
11 Mar 202619:38
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CVE-2026-27703 RIOT has an Out-of-Bounds Write in nanoCoAP Handler
11 Mar 202619:38
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EUVD
EUVD-2026-11305
11 Mar 202619:38
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NVD
CVE-2026-27703
11 Mar 202620:16
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OSV
CVE-2026-27703 RIOT has an Out-of-Bounds Write in nanoCoAP Handler
11 Mar 202619:38
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Positive Technologies
PT-2026-24801
11 Mar 202600:00
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Vulnrichment
CVE-2026-27703 RIOT has an Out-of-Bounds Write in nanoCoAP Handler
11 Mar 202619:38
vulnrichment

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26 Mar 2026 15:01Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.17.5 - 9.8
EPSS0.00097
SSVC
0