Important: spamassassin

Issue Overview:

A flaw was found in the way a local user on the SpamAssassin server could inject code in the meta rule syntax. This could cause the arbitrary code execution on the server when these rules are being processed.(CVE-2018-11781)

A potential Remote Code Execution bug exists with the PDFInfo plugin in Apache SpamAssassin before 3.4.2.(CVE-2018-11780)

A flaw was found in the way SpamAssassin processes HTML email containing unclosed HTML tags. A carefully crafted mail message could cause SpamAssassin to consume significant resources. If a large number of these messages are sent, a denial of service could occur potentially delaying or preventing the delivery of email.(CVE-2017-15705)

Affected Packages:

spamassassin

Issue Correction:
Run yum update spamassassin to update your system.

New Packages:

i686:  
    spamassassin-debuginfo-3.4.2-2.14.amzn1.i686  
    spamassassin-3.4.2-2.14.amzn1.i686  
  
src:  
    spamassassin-3.4.2-2.14.amzn1.src  
  
x86_64:  
    spamassassin-debuginfo-3.4.2-2.14.amzn1.x86_64  
    spamassassin-3.4.2-2.14.amzn1.x86_64  

Additional References

Red Hat: CVE-2017-15705, CVE-2018-11780, CVE-2018-11781

Mitre: CVE-2017-15705, CVE-2018-11780, CVE-2018-11781