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CVE-2026-86243: Buffer Over-read

🗓️ 23 Sep 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 4 Views

Buffer over-read in Apache Tomcat Native during TLS handshake permits DoS via JVM crash.

Related
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-86243
23 Sep 202612:24
–cve
cvelist
Cvelist
CVE-2026-86243 Apache Tomcat Native: DoS via TLS handshake
23 Sep 202612:24
–cvelist
debiancve
Debian CVE
CVE-2026-86243
23 Sep 202612:24
–debiancve
euvd
EUVD
EUVD-2026-85267
23 Sep 202612:24
–euvd
nvd
NVD
CVE-2026-86243
23 Sep 202613:17
–nvd
osv
OSV
DEBIAN-CVE-2026-86243
23 Sep 202613:17
–osv
osv
OSV
UBUNTU-CVE-2026-86243
24 Sep 202600:00
–osv
tomcat
Apache Tomcat
Fixed in Apache Tomcat Native Connector 2.0.16 / 1.3.9
23 Sep 202612:24
–tomcat
ubuntucve
UbuntuCve
CVE-2026-86243
24 Sep 202600:00
–ubuntucve
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-86243
24 Sep 202600:00
–nessus
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23 Sep 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
EPSS0.00398
SSVC
4