Several vulnerabilities were discovered in libxml2, a library providing support to read, modify and write XML and HTML files, which could cause denial of service via application crash when parsing specially crafted files.
The patch from latest upstream release to address CVE-2021-30152 was not portable to stretch-security version causing MediaWiki APIs to fail. This update includes a patch from upstream REL_31 release which fix the issue.
Several security vulnerabilities have been discovered in Unbound, a validating, recursive, caching DNS resolver, by security researchers of X41 D-SEC located in Aachen, Germany. Integer overflows, assertion failures, an out-of-bound write and an infinite loop vulnerability may lead to a denial-of-service or