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CVE-2026-46433VulnerabilityPublished Updated

VLAN Decapsulation memmove · lldpd: Heap OOB Read

Affects MicrosoftSource GCVE Database

0

Not known to be exploited · fixed in 1.0.22 : update Microsoft when convenient.

Data as of 26 Oct 2026, 13:47 UTC

Severity
Unrated

Rated by Threat Radar · No CVSS score from NVD or the CNA

EPSS
0.2% chance of exploitation in 30 days – higher than 13% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.0.22

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
GitHublldpd/lldpdpkg:github/lldpd/lldpdOther threatsAffected
  • =3.0
Fixed in–
Ubuntu Pro 16.04 LTSopenvswitchpkg:deb/ubuntu/openvswitch?arch=source&distro=esm-infra/xenialOther threatsAffected
  • 2.4.0-0ubuntu4 – 2.5.9-0ubuntu0.16.04.3+esm1
16 affected builds
Fixed in–
Ubuntu 16.04 LTSlldpdpkg:deb/ubuntu/lldpd?arch=source&distro=xenialOther threatsAffected
  • =0.7.16-1
  • =0.7.19-1
Fixed in–
Ubuntu Pro 18.04 LTSopenvswitchpkg:deb/ubuntu/openvswitch?arch=source&distro=esm-infra/bionicOther threatsAffected
  • 2.8.0-0ubuntu2 – 2.9.8-0ubuntu0.18.04.5+esm1
14 affected builds
Fixed in–
Ubuntu 18.04 LTSlldpdpkg:deb/ubuntu/lldpd?arch=source&distro=bionicOther threatsAffected
  • =0.9.8-1
  • =0.9.9-1
  • =0.9.9-1ubuntu0.1
Fixed in–
Ubuntu 20.04 LTSopenvswitchpkg:deb/ubuntu/openvswitch?arch=source&distro=focalOther threatsAffected
  • 2.12.0-0ubuntu1 – 2.13.8-0ubuntu1.4
21 affected builds
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

References

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