CVE-2026-24829
📋 TL;DR
CVE-2026-24829 is a heap-based buffer overflow vulnerability in Is-Daouda's is-Engine software that allows attackers to write data beyond allocated memory boundaries. This affects all users running is-Engine versions before 3.3.4 and could lead to arbitrary code execution or denial of service.
💻 Affected Systems
- is-Engine
⚠️ 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.
- 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
Remote code execution with attacker gaining full control of the affected system, potentially leading to data theft, ransomware deployment, or complete system compromise.
Likely Case
Application crash causing denial of service, with potential for limited information disclosure through memory corruption.
If Mitigated
Application crash with no data loss if proper memory protections and isolation are in place.
🎯 Exploit Status
The vulnerability is in the core engine and likely exploitable without authentication, but no public exploit code has been identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.3.4
Vendor Advisory: https://github.com/Is-Daouda/is-Engine/pull/7
Restart Required: Yes
Instructions:
1. Stop the is-Engine service. 2. Update to version 3.3.4 via package manager or manual installation. 3. Restart the is-Engine service. 4. Verify the update was successful.
🔧 Temporary Workarounds
Network Segmentation
linuxRestrict network access to is-Engine instances to only trusted sources
iptables -A INPUT -p tcp --dport [is-Engine-port] -s [trusted-ip] -j ACCEPT
iptables -A INPUT -p tcp --dport [is-Engine-port] -j DROP
Memory Protection
linuxEnable ASLR and other memory protection mechanisms
sysctl -w kernel.randomize_va_space=2
🧯 If You Can't Patch
- Isolate affected systems in a segmented network zone with strict access controls
- Implement application-level firewalls or WAF rules to filter suspicious input patterns
🔍 How to Verify
Check if Vulnerable:
Check the is-Engine version number in configuration files or via the application's status endpointCheck Version:
is-engine --versionVerify Fix Applied:
Confirm version 3.3.4 is installed and running, then test with known safe inputs📡 Detection & Monitoring
Log Indicators:
- Unexpected application crashes or restarts
- Memory access violation errors in system logs
- Abnormal process termination
Network Indicators:
- Unusual traffic patterns to is-Engine ports
- Malformed requests to is-Engine endpoints
SIEM Query:
source="is-engine.log" AND ("segmentation fault" OR "buffer overflow" OR "access violation")