The last foundation level syllabus was released in 2011. After a gap of 7 years, ISTQB has released its newest syllabus for Foundation Level in June 2018. This new ISTQB syllabus comes in fully operational after May 2019. If you are attempting your CTFL exam in the next few months you will have to the choice to attempt the exam in either 2011 syllabus or in the new 2018 syllabus. Make sure to confirm that with your exam provider.
Download the latest ISTQB 2018 Syllabus here – https://www.istqb.org/downloads/send/51-ctfl2018/208-ctfl-2018-syllabus.html
Note: The ISTQB CTFL 2011 Syllabus in English was withdrawn on 3rd June 2019 and in other languages on 3rd December 2019. After these dates please book the 2018 exam in your selected language.