PatchTheCVECVE-2014-6251: Stack-based buffer overflow in CPUMiner before 2.4.1 allows remote attackers to have an unspecified impact by
CVE-2014-6251 is a medium-severity flaw (CVSS 6.0) affecting cpuminer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Stack-based buffer overflow in CPUMiner before 2.4.1 allows remote attackers to have an unspecified impact by sending a mining.subscribe response with a large nonce2 length, then triggering the overflow with a mining.notify request.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.0 (Medium) |
| EPSS exploit chance | 1.0% (top 37%) |
| CISA exploited list | No |
| Weakness | CWE-119 |
| Published | 2014-10-25 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2014-6251?
cpuminer: upgrade to newer than 2.4.0. Exact commands for each OS are on this page.
Is CVE-2014-6251 being exploited?
CVE-2014-6251 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-2014-6251 affect?
CVE-2014-6251 affects cpuminer. Severity is medium (CVSS 6.0). Stack-based buffer overflow in CPUMiner before 2.4.1 allows remote attackers to have an unspecified impact by sending a mining.subscribe response with a large nonce2 length, then triggering the overflow with a mining.notify request.
How urgent is CVE-2014-6251?
Priority 37/100. No elevated risk signals yet.