Bug 399182

SUMMARY
akregator crashes after closing an article from http://feeds.feedburner.com/linuxnewsde and moving to another feed source

STEPS TO REPRODUCE
1. import http://feeds.feedburner.com/linuxnewsde
2. open any article, and read full article in akregator
3. close article
4. move to another newsfeed source, like e.g. http://planetkde.org/rss20.xml

OBSERVED RESULT
Crash

EXPECTED RESULT
no crash

SOFTWARE VERSIONS
(available in About System)
KDE Plasma Version: 5.13.5
KDE Frameworks Version: 5.50.0
Qt Version: 5.11.1

ADDITIONAL INFORMATION
konsole output:
No text-to-speech plug-ins were found.
"http://www.tropicalpermaculture.com/permaculture.xml"
"http://feeds.feedburner.com/linuxnewsde"
"https://dot.kde.org/rss.xml"
"http://planetkde.org/rss20.xml"
WebEnginePage::javaScriptConsoleMessage lineNumber:  2  message:  "JQMIGRATE: Migrate is installed, version 1.4.1"
WebEnginePage::javaScriptConsoleMessage lineNumber:  148  message:  "Uncaught ReferenceError: onLoadComplete is not defined"
Received signal 11 SEGV_MAPERR 000000000000
#0 0x7f5ab6bc9e1e <unknown>
#1 0x7f5ab55446c6 <unknown>
#2 0x7f5ab6bca307 <unknown>
#3 0x7f5ac619df20 <unknown>
  r8: 00007f5a6cff7b48  r9: 00007f5a6cff7b50 r10: 00007f5a381d46f0 r11: 00007f5a3823f420
 r12: 00007f5a381af660 r13: 000055d4ffb86290 r14: 00007f5a38186bc0 r15: 00007f5a6cff7b40
  di: 000055d4ffb86290  si: 00007f5a6cff7b40  bp: 00007f5a6cff7c50  bx: 00007f5a381a9f20
  dx: 0000000000000001  ax: 000055d4ff97a810  cx: 0000000000000002  sp: 00007f5a6cff7ad8
  ip: 0000000000000000 efl: 0000000000010202 cgf: 002b000000000033 erf: 0000000000000014
 trp: 000000000000000e msk: 0000000000000000 cr2: 0000000000000000
[end of stack trace]
Calling _exit(1). Core file will not be generated.