Medium severity6.5NVD Advisory· Published Oct 16, 2017· Updated Jun 17, 2026

CVE-2016-8734

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apache/Subversion84 versions
cpe:2.3:a:apache:subversion:1.4.0:*:*:*:*:*:*:*+ 83 more
- cpe:2.3:a:apache:subversion:1.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.4.4:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.4.5:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.4.6:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.5.3:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.5.4:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.5.5:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.5.6:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.5.7:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.5.8:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.10:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.11:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.12:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.13:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.14:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.15:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.16:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.17:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.18:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.19:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.20:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.21:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.23:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.3:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.4:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.6:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.7:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.8:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.6.9:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.10:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.11:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.12:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.13:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.14:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.15:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.16:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.17:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.18:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.19:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.20:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.3:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.4:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.5:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.6:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.7:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.8:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.7.9:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.8.10:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.8.11:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.8.12:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.8.13:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.8.14:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.8.15:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.8.16:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.8.3:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.8.4:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.8.5:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.8.6:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.8.7:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.8.8:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.8.9:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.9.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.9.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.9.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.9.3:*:*:*:*:*:*:*
- cpe:2.3:a:apache:subversion:1.9.4:*:*:*:*:*:*:*
- (no CPE)range: 1.4.0-1.8.16, 1.9.0-1.9.4
- (no CPE)range: 1.4.0 to 1.8.16
Debian/linux2 versions
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Apache/Mod Dontdothatllm-fuzzy
Range: 1.4.0-1.8.16, 1.9.0-1.9.4
osv-coords5 versions
pkg:rpm/opensuse/subversion&distro=openSUSE%20Tumbleweed pkg:rpm/suse/subversion&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4 pkg:rpm/suse/subversion&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2 pkg:rpm/suse/subversion&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3 pkg:rpm/suse/subversion&distro=SUSE%20Studio%20Onsite%201.3
< 1.9.5-1.1+ 4 more
- (no CPE)range: < 1.9.5-1.1
- (no CPE)range: < 1.6.17-1.36.9.1
- (no CPE)range: < 1.8.19-25.3.1
- (no CPE)range: < 1.8.19-25.3.1
- (no CPE)range: < 1.6.17-1.36.9.1

Patches

Vulnerability mechanics

References

www.debian.org/security/2017/dsa-3932nvdThird Party Advisory
www.securityfocus.com/bid/94588nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1037361nvdThird Party AdvisoryVDB Entry
subversion.apache.org/security/CVE-2016-8734-advisory.txtnvdIssue TrackingVendor Advisory
lists.apache.org/thread.html/7798f5cda1b2a3c70db4be77694b12dec8fcc1a441b00009d44f0e09%40%3Cannounce.apache.org%3Envd
www.oracle.com/security-alerts/cpuoct2020.htmlnvd

News mentions

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cvss	0.423
epss	0.005
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000