DEBIAN-CVE-2026-63559

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Source

https://security-tracker.debian.org/tracker/CVE-2026-63559

Import Source

https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-63559.json

JSON Data

https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-63559

Upstream

CVE-2026-63559

Published

2026-07-30T22:16:55Z

Modified

2026-09-14T17:03:44Z

Severity

8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator

Summary

[none]

Details

An integer overflow in the UA_Variant arrayDimensions product computation in open62541 may allow a remote attacker to read out-of-bounds heap memory, potentially disclosing sensitive information.

References

https://security-tracker.debian.org/tracker/CVE-2026-63559

Affected packages

Debian:13 / open62541

Package

Name: open62541
Purl: pkg:deb/debian/open62541?arch=source&distro=trixie

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.4.11.1-1

1.4.18-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-63559.json"

Debian:14 / open62541