See http://0pointer.de/blog/projects/beware-of-xmlCleanupParser ABWOutputDev::~ABWOutputDev() calls it, so it's worth examining, if it's affected by this problem.
pdftoabw was just removed from poppler sources because it was unmaintained so unfortunately this bug won't be fixed. If you were using pdftoabw this is the moment to stand up and take maintainership of it
Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.