CVE-2016-8734: apache software foundation apache subversion Uncontrolled Resource Consumption
Vulnerability summary
CVE-2016-8734 is a medium (CVSS 6.5) Uncontrolled Resource Consumption vulnerability in apache software foundation apache subversion. EPSS estimates a 6.38% chance of exploitation in the next 30 days, higher than 93.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 4 · Related 4Timeline
- 16-10-2017PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
6.38%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 6.38% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- subversion< 1.9.5-1
- debian_linuxEOL8.0 | 9.0
Apache1 product
- subversionEOL1.4.0 | 1.4.1 | 1.4.2 | 1.4.3 | 1.4.4 | 1.4.5 | 1.4.6 | 1.5.0 | 1.5.1 | 1.5.2 | 1.5.3 | 1.5.4 | 1.5.5 | 1.5.6 | 1.5.7 | 1.5.8 | 1.6.0 | 1.6.1 | 1.6.2 | 1.6.3 | 1.6.4 | 1.6.5 | 1.6.6 | 1.6.7 | 1.6.8 | 1.6.9 | 1.6.10 | 1.6.11 | 1.6.12 | 1.6.13 | 1.6.14 | 1.6.15 | 1.6.16 | 1.6.17 | 1.6.18 | 1.6.19 | 1.6.20 | 1.6.21 | 1.6.23 | 1.7.0 | 1.7.1 | 1.7.2 | 1.7.3 | 1.7.4 | 1.7.5 | 1.7.6 | 1.7.7 | 1.7.8 | 1.7.9 | 1.7.10 | 1.7.11 | 1.7.12 | 1.7.13 | 1.7.14 | 1.7.15 | 1.7.16 | 1.7.17 | 1.7.18 | 1.7.19 | 1.7.20 | 1.8.0 | 1.8.1 | 1.8.2 | 1.8.3 | 1.8.4 | 1.8.5 | 1.8.6 | 1.8.7 | 1.8.8 | 1.8.9 | 1.8.10 | 1.8.11 | 1.8.12 | 1.8.13 | 1.8.14 | 1.8.15 | 1.8.16 | 1.9.0 | 1.9.1 | 1.9.2 | 1.9.3 | 1.9.4
Apache software foundation1 product
- apache subversionEOL1.4.0 to 1.8.16 | 1.9.0 to 1.9.4
Mageia1 product
- subversion< 1.8.17-1.mga5
Ubuntu1 product
- subversion< 1.8.8-1ubuntu3.3 | < 1.9.3-2ubuntu1.1
5 vendors · 6 products
References
15 links- www.oracle.com/security-alerts/cpuoct2020.htmlX Refsource MISC
- subversion.apache.org/security/CVE-2016-8734-advisory.txtX Refsource CONFIRMIssue TrackingVendor AdvisoryREPORT