Ubuntu.comUB:CVE-2017-9789CVE-2017-9789
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.038 Low
EPSS
Percentile
91.9%
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.
Notes
| Author | Note |
|---|---|
| sbeattie | HTTP/2 support has not been enabled in Ubuntu builds of apache |
References
httpd.apache.org/security/vulnerabilities_24.html
launchpad.net/bugs/cve/CVE-2017-9789
lists.apache.org/thread.html/9d0098775bd83cf7c33ac5a077ef412c14ce939198921e639c734e20@%3Cannounce.httpd.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2017-9789
security-tracker.debian.org/tracker/CVE-2017-9789
www.cve.org/CVERecord?id=CVE-2017-9789
Related
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.038 Low
EPSS
Percentile
91.9%