CVE-2023-4936: It is possible to sideload a compromised DLL during the installation at elevated privilege.

Q: How do I fix CVE-2023-4936?

displaylink: upgrade to 11.2. Exact commands for each OS are on this page.

Q: Is CVE-2023-4936 being exploited?

CVE-2023-4936 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-4936 affect?

CVE-2023-4936 affects displaylink. Severity is medium (CVSS 5.5). It is possible to sideload a compromised DLL during the installation at elevated privilege.

Q: How urgent is CVE-2023-4936?

Priority 21/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADE

CVE-2023-4936 is a medium-severity flaw (CVSS 5.5) affecting displaylink. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

It is possible to sideload a compromised DLL during the installation at elevated privilege.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	High
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.2% (top 91%)
CISA exploited list	No
Weakness	CWE-269, CWE-427
Published	2023-10-11
Last modified	2026-06-17

Publisher (CNA): Synaptics, Inc. · Vendor: synaptics

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-10-11 17:15 UTCPublished CVE record published
2026-06-17 06:38 UTCUpdated Record last modified

synaptics displaylink UPGRADE

Affected: < 11.2

Fixed in: 11.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy displaylink || rpm -q displaylink || displaylink --version

2. UPGRADE to 11.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade displaylink

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade displaylink

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-4936?

displaylink: upgrade to 11.2. Exact commands for each OS are on this page.

Is CVE-2023-4936 being exploited?

CVE-2023-4936 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-4936 affect?

CVE-2023-4936 affects displaylink. Severity is medium (CVSS 5.5). It is possible to sideload a compromised DLL during the installation at elevated privilege.

How urgent is CVE-2023-4936?

Priority 21/100. No elevated risk signals yet.

References

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