ELA-554-1 qt4-x11 security update

multiple vulnerabilities

Related CVEs CVE-2018-19872 CVE-2021-3481 CVE-2021-45930

Multiple out-of-bounds error were discovered in qt4-x11. The highest threat from CVE-2021-3481 (at least) is to data confidentiality the application availability.

For Debian 8 jessie, these problems have been fixed in version 4:4.8.6+git64-g5dc8b2b+dfsg-3+deb8u4.

We recommend that you upgrade your qt4-x11 packages.

Further information about Extended LTS security advisories can be found at: debian Extended Long term support