Apache Subversion's mod_dontdothat module and HTTP clients 1.4.0 through 1.8.16, and 1.9.0 through 1.9.4 are vulnerable to a denial-of-service attack caused by exponential XML entity expansion. The attack can cause the targeted process to consume an excessive amount of CPU resources or memory.
http://www.debian.org/security/2017/dsa-3932
http://www.securityfocus.com/bid/94588
http://www.securitytracker.com/id/1037361
https://lists.apache.org/thread.html/[email protected]%3Cannounce.apache.org%3E
https://subversion.apache.org/security/CVE-2016-8734-advisory.txt
Source: MITRE
Published: 2017-10-16
Updated: 2020-10-20
Type: CWE-400
Base Score: 4
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 8
Severity: MEDIUM
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 2.8
Severity: MEDIUM