GHSA-cxg2-49rq-8gcr · Severity: medium · Ecosystem: maven — Apache Tomcat does not properly handle an invalid Transfer-Encoding header
Apache Tomcat 5.5.0 through 5.5.29, 6.0.0 through 6.0.27, and 7.0.0 beta does not properly handle an invalid Transfer-Encoding header, which allows remote attackers to cause a denial of service (application outage) or obtain sensitive information via a crafted header that interferes with "recycling of a buffer."
Conclusion & alert: CVE-2010-2227 is rated High Risk (65.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 80.17%, 99th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +5.74% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-06 | 74.44% | 80.17% | +5.74% |
| 2 | 2025-12-13 | 64.74% | 74.44% | +9.70% |
| 3 | 2025-06-24 | — | 64.74% | — |
Full EPSS history (16 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
GHSA-cxg2-49rq-8gcr · Severity: medium · Ecosystem: maven — Apache Tomcat does not properly handle an invalid Transfer-Encoding header
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2010-2227: 1 GLSA(s) (201206-24), 1 atom(s) (www-servers/tomcat); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2010-2227 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2010-2227 |
ubuntu
|
medium | CVE-2010-2227 medium priority: Ubuntu including 3 source packages (tomcat5, tomcat5.5, tomcat6), 27 status rows across 9 suites (dapper, hardy, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): DNE 15, released 9, ignored 3. | https://ubuntu.com/security/CVE-2010-2227 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apache | tomcat | 5.5.0 | cpe:2.3:a:apache:tomcat:5.5.0:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.1 | cpe:2.3:a:apache:tomcat:5.5.1:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.2 | cpe:2.3:a:apache:tomcat:5.5.2:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.3 | cpe:2.3:a:apache:tomcat:5.5.3:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.4 | cpe:2.3:a:apache:tomcat:5.5.4:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.5 | cpe:2.3:a:apache:tomcat:5.5.5:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.6 | cpe:2.3:a:apache:tomcat:5.5.6:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.7 | cpe:2.3:a:apache:tomcat:5.5.7:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.8 | cpe:2.3:a:apache:tomcat:5.5.8:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.9 | cpe:2.3:a:apache:tomcat:5.5.9:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.10 | cpe:2.3:a:apache:tomcat:5.5.10:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.11 | cpe:2.3:a:apache:tomcat:5.5.11:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.12 | cpe:2.3:a:apache:tomcat:5.5.12:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.13 | cpe:2.3:a:apache:tomcat:5.5.13:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.14 | cpe:2.3:a:apache:tomcat:5.5.14:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.15 | cpe:2.3:a:apache:tomcat:5.5.15:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.16 | cpe:2.3:a:apache:tomcat:5.5.16:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.17 | cpe:2.3:a:apache:tomcat:5.5.17:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.18 | cpe:2.3:a:apache:tomcat:5.5.18:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.19 | cpe:2.3:a:apache:tomcat:5.5.19:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.20 | cpe:2.3:a:apache:tomcat:5.5.20:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.21 | cpe:2.3:a:apache:tomcat:5.5.21:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.22 | cpe:2.3:a:apache:tomcat:5.5.22:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.23 | cpe:2.3:a:apache:tomcat:5.5.23:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.24 | cpe:2.3:a:apache:tomcat:5.5.24:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.25 | cpe:2.3:a:apache:tomcat:5.5.25:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.26 | cpe:2.3:a:apache:tomcat:5.5.26:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.27 | cpe:2.3:a:apache:tomcat:5.5.27:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.28 | cpe:2.3:a:apache:tomcat:5.5.28:*:*:*:*:*:*:* |
| apache | tomcat | 5.5.29 | cpe:2.3:a:apache:tomcat:5.5.29:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.0 | cpe:2.3:a:apache:tomcat:6.0.0:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.1 | cpe:2.3:a:apache:tomcat:6.0.1:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.2 | cpe:2.3:a:apache:tomcat:6.0.2:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.3 | cpe:2.3:a:apache:tomcat:6.0.3:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.4 | cpe:2.3:a:apache:tomcat:6.0.4:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.5 | cpe:2.3:a:apache:tomcat:6.0.5:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.6 | cpe:2.3:a:apache:tomcat:6.0.6:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.7 | cpe:2.3:a:apache:tomcat:6.0.7:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.8 | cpe:2.3:a:apache:tomcat:6.0.8:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.9 | cpe:2.3:a:apache:tomcat:6.0.9:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.10 | cpe:2.3:a:apache:tomcat:6.0.10:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.11 | cpe:2.3:a:apache:tomcat:6.0.11:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.12 | cpe:2.3:a:apache:tomcat:6.0.12:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.13 | cpe:2.3:a:apache:tomcat:6.0.13:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.14 | cpe:2.3:a:apache:tomcat:6.0.14:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.15 | cpe:2.3:a:apache:tomcat:6.0.15:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.16 | cpe:2.3:a:apache:tomcat:6.0.16:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.17 | cpe:2.3:a:apache:tomcat:6.0.17:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.18 | cpe:2.3:a:apache:tomcat:6.0.18:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.19 | cpe:2.3:a:apache:tomcat:6.0.19:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.20 | cpe:2.3:a:apache:tomcat:6.0.20:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.24 | cpe:2.3:a:apache:tomcat:6.0.24:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.26 | cpe:2.3:a:apache:tomcat:6.0.26:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.27 | cpe:2.3:a:apache:tomcat:6.0.27:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.0 | cpe:2.3:a:apache:tomcat:7.0.0:beta:*:*:*:*:*:* |