CVE-2019-0203
subversion: NULL pointer dereference in svnserve leading to an unauthenticated remote DoS
Severity
ImportantRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · July 31, 2019
Updated · November 22, 2025
Description
A flaw was found in subversion. A remote, unauthenticated user can cause a null-pointer-dereference in svnserve by sending a certain sequences of protocol commands to the server. This results in a denial of service in some server configurations, specifically when anonymous access is enabled. The highest threat from this vulnerability is to system availability.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference