Support matrix on GH release page and in README should be updated.
Since Chromium v59 (CEF 3071 branch) libcef.so has a dependency on GLIBC 2.14 and GLIBC 2.15. More details in upstream CEF Forum: https://magpcss.org/ceforum/viewtopic.php?f=6&t=15514
Related issue: #397 ("Update to Chromium v61").