CVE catalog

CVE-2026-65423

DEBIAN-CVE-2026-65423

[CVE catalog]

Severity
High · CVSS 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
Updated
Source
[NVD] · [CVE record]
EPSS
0.80% · Oct 25, 2026

An integer overflow in the UA_Variant arrayDimensions product computation in open62541 may allow a remote attacker to trigger an out-of-bounds write.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianopen62541131.4.11.1-1vulnerable
Debianopen62541131.4.18-1vulnerable
Debianopen62541141.4.11.1-1vulnerable
Debianopen62541141.4.18-1vulnerable

Fixed-version evidence

OpenFactory catalog packages

[Debian 13 (Trixie)]

  • [libopen62541-1.4]Affected

    Source package: [open62541]

    Details (2)

    • 1.4.11.1-1 · amd64 · trixie

      Affected

      pypi · open62541 · debian · 13

    • 1.4.11.1-1 · arm64 · trixie

      Affected

      pypi · open62541 · debian · 13

  • [libopen62541-1.4-dev]Affected

    Source package: [open62541]

    Details (2)

    • 1.4.11.1-1 · amd64 · trixie

      Affected

      pypi · open62541 · debian · 13

    • 1.4.11.1-1 · arm64 · trixie

      Affected

      pypi · open62541 · debian · 13

  • [libopen62541-1.4-tools]Affected

    Source package: [open62541]

    Details (2)

    • 1.4.11.1-1 · all · trixie

      Affected

      pypi · open62541 · debian · 13

    • 1.4.11.1-1 · all · trixie

      Affected

      pypi · open62541 · debian · 13

Observed:

References

[FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]