CVE•Published 2026-04-20•Modified 2026-07-14•1 article on news•7 live references•NVD data
CVE-2026-5450Gnu · Glibc
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
36
Exploit Prediction Scoring System · top 64% of all CVEs
Weaknesses (CWE)
Description
Calling the scanf family of functions with a %mc (malloc'd character match) in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width greater than 1024 could result in a one byte heap buffer overflow.
Timeline
Published 2026-04-20
Modified 2026-07-14
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-5450Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Gnu Glibc"All exposed Gnu Glibc instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Glibc"HTTP body or banner mentions "Glibc" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-5450Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-5450Censys host search filtered to this CVE id.
grep.app
CVE-2026-5450Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-5450GitHub code search for direct mentions.
Google dork
"CVE-2026-5450" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (8)
CVE-2026-54508 repos
ovexro/dockpanelRust
Modern server management panel built with Rust and React. Sites, databases, Docker apps, Git deploy, mail, DNS, monitoring, backups, and security — all in one panel.
tycloud97/awesome-starsunknown
A curated list of my GitHub stars by stargazed
oslook/n8n-workflowsunknown
4200 + Workflow Automation Templates are Grouped by Categories/Services for easy navigation
markorr321/Secure-BootHTML
Microsoft Secure Boot UEFI CA 2023 certificate update deployment scripts for Intune. Automates detection, remediation, and throttle bypass for enterprise-wide Secure Boot certifica…
hanishi/pekko-prismScala
PRISM: PRoxy Integrated Service Module.
tao-lian/openclawDockerfile
Aroxora/patchpivotJavaScript
PatchPivot is a defensive variant-analysis workspace for tracking security patches, organizing reproducible research, and carrying findings through responsible disclosure.
jaschadub/compromised-packages-checkPython
Scan a repository for known-malicious npm, cratres, and PyPI package versions from recent supply-chain compromises (Mini Shai-Hulud, TanStack, @cap-js/mbt, etc). UPDATED 6 TIMES A …