CVE-2026-24800
📋 TL;DR
This CVE describes a classic buffer overflow vulnerability in the zlib modules of tildearrow furnace software, specifically in the inflate.C file. An attacker could exploit this to execute arbitrary code or cause denial of service. Users of tildearrow furnace with affected versions are impacted.
💻 Affected Systems
- tildearrow furnace
⚠️ 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 leading to complete system compromise, data theft, or ransomware deployment.
Likely Case
Application crash causing denial of service, potentially with some memory corruption.
If Mitigated
Limited impact if proper memory protections (ASLR, DEP) are enabled and the application runs with minimal privileges.
🎯 Exploit Status
Buffer overflow vulnerabilities in zlib implementations have historically been exploited; however, no specific exploit for this CVE is publicly documented yet.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version including PR #2471
Vendor Advisory: https://github.com/tildearrow/furnace/pull/2471
Restart Required: Yes
Instructions:
1. Update tildearrow furnace to the latest version that includes PR #2471. 2. Restart the furnace application or service. 3. Verify the fix using the verification steps below.
🔧 Temporary Workarounds
Input validation/sanitization
allImplement strict input validation for data processed by the zlib modules to prevent malicious payloads from reaching the vulnerable code.
🧯 If You Can't Patch
- Restrict network access to furnace services to trusted sources only.
- Run furnace with minimal privileges and enable OS-level memory protection features (ASLR, DEP).
🔍 How to Verify
Check if Vulnerable:
Check the furnace version against the patched version from PR #2471; if older, it is likely vulnerable.Check Version:
Check furnace documentation or run 'furnace --version' if available.Verify Fix Applied:
Confirm the furnace version is updated to include the fix from PR #2471 and test with known safe inputs to ensure stability.📡 Detection & Monitoring
Log Indicators:
- Unexpected crashes or segmentation faults in furnace logs
- Abnormal memory usage patterns
Network Indicators:
- Unusual network traffic to furnace services, especially large or malformed data inputs
SIEM Query:
Example: 'source="furnace.log" AND ("segmentation fault" OR "buffer overflow")'