Hi, there!

We are a research team working on third-party library analysis. We have found 
that some widely-used third-party libraries in your project have major/critical 
bugs, which will degrade the quality of your project. We highly recommend you 
to update those libraries to new versions.

We have attached the buggy third-party libraries and corresponding jira issue 
links below for you to have more detailed information.

1. org.apache.logging.log4j log4j-core(pom.xml)
version: 2.11.1

Jira issues:
NameAbbreviator skips first fragments
affectsVersions:2.11.0,2.11.1
https://issues.apache.org/jira/projects/LOG4J2/issues/LOG4J2-2365?filter=allopenissues
Predeployment of PersistenceUnit that using Log4j as session logger failed 
(#198)
affectsVersions:2.11.1
https://issues.apache.org/jira/projects/LOG4J2/issues/LOG4J2-2397?filter=allopenissues
Exceptions are added to all columns when a JDBC Appender's ColumnMapping uses a 
Pattern
affectsVersions:2.11.1
https://issues.apache.org/jira/projects/LOG4J2/issues/LOG4J2-2413?filter=allopenissues
NullPointerException when closing never used RollingRandomAccessFileAppender
affectsVersions:2.10.0,2.11.1
https://issues.apache.org/jira/projects/LOG4J2/issues/LOG4J2-2418?filter=allopenissues
AbstractAppender.setHandler(null) should not set a null ErrorHandler
affectsVersions:3.0.0,2.11.1
https://issues.apache.org/jira/projects/LOG4J2/issues/LOG4J2-2441?filter=allopenissues
ErrorHandler should be invoked with the failing LogEvent when possible
affectsVersions:3.0.0,2.11.1
https://issues.apache.org/jira/projects/LOG4J2/issues/LOG4J2-2444?filter=allopenissues
RollingRandomAccessFileManager ignores new file patterns from programmatic 
reconfiguration
affectsVersions:2.11.1
https://issues.apache.org/jira/projects/LOG4J2/issues/LOG4J2-2457?filter=allopenissues
ColumnMapping literal not working
affectsVersions:2.11.1
https://issues.apache.org/jira/projects/LOG4J2/issues/LOG4J2-2466?filter=allopenissues
org.apache.log4j.SimpleLayout and ConsoleAppender missing in log4j-1.2-api
affectsVersions:2.11.1
https://issues.apache.org/jira/projects/LOG4J2/issues/LOG4J2-2476?filter=allopenissues
BasicContextSelector cannot be used in a OSGI application
affectsVersions:2.11.1
https://issues.apache.org/jira/projects/LOG4J2/issues/LOG4J2-2482?filter=allopenissues


2. org.apache.httpcomponents httpclient(dubbo-dependencies-bom/pom.xml)
version: 4.5.3

Jira issues:
Possible bug in URIBuilder
affectsVersions:4.5.3
https://issues.apache.org/jira/projects/HTTPCLIENT/issues/HTTPCLIENT-1831?filter=allopenissues
RuntimeException from WindowsNegotiateScheme: Unexpected token
affectsVersions:4.5.3
https://issues.apache.org/jira/projects/HTTPCLIENT/issues/HTTPCLIENT-1833?filter=allopenissues
DefaultServiceUnavailableRetryStrategy does not respect HttpEntity#isRepeatable
affectsVersions:4.5.3
https://issues.apache.org/jira/projects/HTTPCLIENT/issues/HTTPCLIENT-1865?filter=allopenissues
connection should revert to SocketConfig's soTimeout
affectsVersions:4.5.3
https://issues.apache.org/jira/projects/HTTPCLIENT/issues/HTTPCLIENT-1879?filter=allopenissues
NTLM authentication against ntlm.herokuapp.com
affectsVersions:4.5.3
https://issues.apache.org/jira/projects/HTTPCLIENT/issues/HTTPCLIENT-1881?filter=allopenissues
connection leak issue when OutOfMemory
affectsVersions:4.5.3;4.5.4;4.5.5
https://issues.apache.org/jira/projects/HTTPCLIENT/issues/HTTPCLIENT-1924?filter=allopenissues
org.apache.http.conn.ssl.SSLSocketFactory no longer throws 
ConnectTimeoutException
affectsVersions:4.5.3
https://issues.apache.org/jira/projects/HTTPCLIENT/issues/HTTPCLIENT-1940?filter=allopenissues


3. commons-logging commons-logging(dubbo-dependencies-bom/pom.xml)
version: 1.2

Jira issues:
BufferedReader is not closed properly
affectsVersions:1.1.1;1.2
https://issues.apache.org/jira/projects/LOGGING/issues/LOGGING-163?filter=allopenissues




Sincerely~
FDU Software Engineering Lab
Jan 7th,2019

[ Full content available at: 
https://github.com/apache/incubator-dubbo/issues/3164 ]
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