CVE-2017-9789
UnknownEPSS 9.51%
Last modified
CVE-2017-9789 is a vulnerability of currently unknown severity. When under stress, closing many connections, the HTTP/2 handling code in Apache httpd 2.4.26 would sometimes access memory after it has been freed, resulting in potentially erratic behaviour.. EPSS estimates a 9.51% chance of exploitation in the next 30 days.
Description
When under stress, closing many connections, the HTTP/2 handling code in Apache httpd 2.4.26 would sometimes access memory after it has been freed, resulting in potentially erratic behaviour.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Http Server | 2.4.26 |
References
- http://www.securityfocus.com/bid/99568Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038907Third Party Advisory, VDB Entry
- https://httpd.apache.org/security/vulnerabilities_24.htmlRelease Notes, Vendor Advisory
- http://www.securityfocus.com/bid/99568Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038907Third Party Advisory, VDB Entry
- https://httpd.apache.org/security/vulnerabilities_24.htmlRelease Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-9789?
When under stress, closing many connections, the HTTP/2 handling code in Apache httpd 2.4.26 would sometimes access memory after it has been freed, resulting in potentially erratic behaviour.
How severe is CVE-2017-9789?
Severity scoring for CVE-2017-9789 is pending analysis. The EPSS model estimates a 9.51% probability of exploitation in the next 30 days.
How do I fix CVE-2017-9789?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-9789?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST