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CVE-2026-43820: Out-of-bounds Read

🗓️ 23 Jul 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 8 Views

Out-of-bounds Read in swift-nio-ssl via NIOSSLCertificate._subjectAlternativeNames.

Related
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-43820
23 Jul 202614:33
–cve
cvelist
Cvelist
CVE-2026-43820
23 Jul 202614:33
–cvelist
euvd
EUVD
EUVD-2026-48287
23 Jul 202614:33
–euvd
mend
Mend
CVE-2026-43820
23 Jul 202614:33
–mend
nvd
NVD
CVE-2026-43820
23 Jul 202615:17
–nvd
ptsecurity
Positive Technologies
PT-2026-64002
23 Jul 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-43820
21 Aug 202619:20
–redhatcve
snyk
Snyk
Out-of-bounds Read
23 Jul 202617:53
–snyk
vulnrichment
Vulnrichment
CVE-2026-43820
23 Jul 202614:33
–vulnrichment

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04 Sep 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 3.17.7
EPSS0.00109
SSVC
8