| Package | Affected versions | Patched versions |
|---|---|---|
| org.apache.tomcat.embed:tomcat-embed-core | ≥ 10.1.8, < 10.1.9≥ 11.0.0-M5, < 11.0.0-M6≥ 9.0.74, < 9.0.75 | 10.1.911.0.0-M69.0.75 |
| org.apache.tomcat:tomcat-coyote | ≥ 8.5.88, < 8.5.89 | 8.5.89 |
| tomcat | = 10.1.8= 11.0.0= 8.5.88= 9.0.74 |
A regression in the fix for bug 66512 in Apache Tomcat 11.0.0-M5, 10.1.8, 9.0.74 and 8.5.88 meant that, if a response did not include any HTTP headers no AJP SEND_HEADERS message would be sent for the response which in turn meant that at least one AJP proxy (mod_proxy_ajp) would use the response headers from the previous request leading to an information leak.
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