CVE-2026-24805 – A NULL pointer dereference vulnerability in vis... (How to Fix)

Q: What is the severity of CVE-2026-24805?

CVE-2026-24805 has a CVSS score of N/A (Unknown). A NULL pointer dereference vulnerability in visualfc liteide's libvterm component allows attackers to cause denial of service by crashing the application. This affects developers using liteide versions before x38.4 for Go programming.

📋 TL;DR

A NULL pointer dereference vulnerability in visualfc liteide's libvterm component allows attackers to cause denial of service by crashing the application. This affects developers using liteide versions before x38.4 for Go programming.

💻 Affected Systems

Products:

visualfc liteide

Versions: All versions before x38.4

Operating Systems: Windows, Linux, macOS

Default Config Vulnerable: ⚠️ Yes

Notes: Only affects the libvterm component within liteide's source code modules.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:

Review the CVE details at NVD
Check vendor security advisories for your specific version
Test if the vulnerability is exploitable in your environment
Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Application crash leading to denial of service, potential loss of unsaved work in the IDE.

🟠

Likely Case

Application instability or crash when processing malformed terminal input.

🟢

If Mitigated

Minimal impact if application runs in controlled environments without untrusted input.

🌐 Internet-Facing: LOW - liteide is a desktop IDE not typically exposed to internet.

🏢 Internal Only: LOW - Requires local access or integration with malicious tools.

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: NO

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Requires triggering specific conditions in terminal emulation code.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: x38.4

Vendor Advisory: https://github.com/visualfc/liteide/pull/1326

Restart Required: Yes

Instructions:

1. Download liteide x38.4 or later from official repository. 2. Replace existing installation. 3. Restart system or IDE.

🔧 Temporary Workarounds

Disable vulnerable component

all

Avoid using terminal emulation features in liteide

🧯 If You Can't Patch

Restrict liteide to trusted development environments only
Monitor for application crashes and review logs

🔍 How to Verify

Check if Vulnerable:

Check liteide version in Help > About or run 'liteide --version'

Check Version:

liteide --version

Verify Fix Applied:

Confirm version is x38.4 or higher after update

📡 Detection & Monitoring

Log Indicators:

Application crash logs mentioning screen.C, state.C, or vterm.C

SIEM Query:

Application:liteide AND Event:Crash

📊 Metadata

CVE ID: CVE-2026-24805

CVSS v3 Score: N/A (Unknown)

CWE: CWE-476

EPSS Score: 0.02% exploit probability (4.3th percentile)

Published: January 27, 2026

Last Updated: January 27, 2026

🔗 References

https://github.com/visualfc/liteide/pull/1326

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