CVE-2016-6312
httpd: Billion laughs attack regression
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · August 4, 2016
Updated · May 13, 2026
Description
A denial of service vulnerability was found in subversion. The mod_dontdothat component of the mod_dav_svn Apache module did not properly protect against exponential XML entity expansion attacks. An attacker with credentials to the webdav repository could send a crafted message that would result in resource exhaustion and denial of service to httpd.
Statement
Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
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 · 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0 · 5AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE not specified