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CVE-2026-88840

🗓️ 23 Sep 2026 17:45:34Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 7 Views

Out-of-bounds read in BusyBox TLS get_client_hello() via truncated ClientHello.

Related
Packages
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-88840
26 Sep 202600:01
–circl
cve
CVE
CVE-2026-88840
23 Sep 202617:45
–cve
cvelist
Cvelist
CVE-2026-88840 Busybox: busybox: tls ssl_server reads one byte out of bounds when parsing truncated clienthello
23 Sep 202617:45
–cvelist
euvd
EUVD
EUVD-2026-85513
23 Sep 202617:45
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nvd
NVD
CVE-2026-88840
23 Sep 202618:17
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osv
OSV
DEBIAN-CVE-2026-88840
23 Sep 202618:17
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osv
OSV
ECHO-0F33-F9B7-76C3
25 Sep 202621:17
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osv
OSV
UBUNTU-CVE-2026-88840
24 Sep 202600:00
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rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-88840: Out-of-bounds Read
23 Sep 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-88840
23 Sep 202617:45
–redhatcve
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Debian14allbusybox1:1.38.0-3busybox_1:1.38.0-3_all.deb
Debian999allbusybox1:1.38.0-3busybox_1:1.38.0-3_all.deb

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23 Sep 2026 17:45Current
6Medium risk
Vulners AI Score6
CVSS 3.15.3
EPSS0.00205
SSVC
7