Lucene search
+L

CVE-2026-116566: Python Software Foundation CPython: socket.getaddrinfo() previously accepted null bytes within *host* and *port* parameters which can cause the values to…

🗓️ 29 Oct 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 2 Views

Null bytes in host and port parameters of CPython socket.getaddrinfo() cause truncation.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-116566
29 Oct 202618:06
–circl
cve
CVE
CVE-2026-116566
29 Oct 202617:45
–cve
cvelist
Cvelist
CVE-2026-116566 socket.getaddrinfo() accepts embedded null bytes in host and port
29 Oct 202617:45
–cvelist
euvd
EUVD
EUVD-2026-113279
29 Oct 202617:45
–euvd
mend
Mend
CVE-2026-116566
29 Oct 202617:45
–mend
nvd
NVD
CVE-2026-116566
29 Oct 202618:17
–nvd
osv_azl
osv_azl
AZL-111530 CVE-2026-116566 affecting package python-py 1.11.0-1
29 Oct 202618:17
–osv_azl
osv_azl
osv_azl
AZL-111542 CVE-2026-116566 affecting package python3 3.12.14-2
29 Oct 202618:17
–osv_azl
osv_psf
osv_psf
PSF-2026-48
29 Oct 202617:45
–osv_psf
ptsecurity
Positive Technologies
PT-2026-132714
29 Oct 202600:00
–ptsecurity
Rows per page

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

30 Oct 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 45.3
EPSS0.00259
2