CVE-2010-4476 — tomcat
Fix: apache/tomcat@407841cCVE-2010-4476 is a security vulnerability in org.apache.tomcat:tomcat. 1 public exploit reference exists, so weaponization risk is real. A fix is available for org.apache.tomcat:tomcat — see the affected versions and patch details below.
Apache Tomcat affected by infinite loop in Double.parseDouble method in Java Runtime Environment
EPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
Real-World Exposure
org.apache.tomcat:tomcat☕org.apache.tomcat:tomcat☕org.apache.tomcat:tomcatReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.
Description
The Double.parseDouble method in Java Runtime Environment (JRE) in Oracle Java SE and Java for Business 6 Update 23 and earlier, 5.0 Update 27 and earlier, and 1.4.2_29 and earlier, as used in OpenJDK, Apache, JBossweb, and other products, allows remote attackers to cause a denial of service via a crafted string that triggers an infinite loop of estimations during conversion to a double-precision binary floating-point number, as demonstrated using 2.2250738585072012e-308.
Apache Tomcat introduced workarounds to avoid being affected by this issue in versions 7.0.7, 6.0.32, and 5.5.33.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | org.apache.tomcat:tomcat | ≥ 7.0.0&&< 7.0.7 | 7.0.7org.apache.tomcat:tomcat:7.0.7 |
| ☕Maven | org.apache.tomcat:tomcat | ≥ 6.0.0&&< 6.0.32 | 6.0.32org.apache.tomcat:tomcat:6.0.32 |
| ☕Maven | org.apache.tomcat:tomcat | ≥ 5.5.0&&< 5.5.33 | 5.5.33org.apache.tomcat:tomcat:5.5.33 |
Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
Oracle Java - Floating-Point Value Denial of Service
by Konstantin Preisser · Feb 1, 2011
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.tomcat:tomcat, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update org.apache.tomcat:tomcat to 7.0.7 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2010-4476 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like CVE-2010-4476 can be triaged on real exposure rather than presence alone.
Tailored to CVE-2010-4476. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Fixing This On Your OS
If you run this on a Linux distribution, patch through your package manager against the distro's own security advisory below — it tracks the exact backported fix for your release, which can ship on a different timeline (and sometimes a different severity) than the upstream project.
| Product | Fixed in | Advisory |
|---|---|---|
| Extras for RHEL 4 | java-1.6.0-sun-1:1.6.0.24-1jpp.1.el4 | RHSA-2011:0282 |
| Extras for RHEL 4 | java-1.6.0-ibm-1:1.6.0.9.0-1jpp.4.el4 | RHSA-2011:0290 |
| Extras for RHEL 4 | java-1.5.0-ibm-1:1.5.0.12.3-1jpp.2.el4 | RHSA-2011:0291 |
| Extras for RHEL 4 | java-1.4.2-ibm-0:1.4.2.13.8-1jpp.4.el4 | RHSA-2011:0292 |
| JBEAP 4.2.0 for RHEL 4 | jbossweb-0:2.0.0-8.CP15.patch01.0jpp.ep1.1.el4 | RHSA-2011:0210 |
| JBEWP 5 for RHEL 5 | jbossweb-0:2.1.10-5.patch01.1.1.ep5.el5 | RHSA-2011:0211 |
| JBEWS 1.0 for RHEL 4 | tomcat6-0:6.0.24-11.patch_03.ep5.el4 | RHSA-2011:0348 |
| JBEWS 1.0 for RHEL 4 | tomcat5-0:5.5.28-18_patch_03.ep5.el4 | RHSA-2011:0349 |
Frequently Asked Questions
Is CVE-2010-4476 in your dependencies?
O3 Security finds CVE-2010-4476 across Maven dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.