ELA-952-1 gsl security update

denial of service

Version1.16+dfsg-2+deb8u1 (jessie), 2.3+dfsg-1+deb9u1 (stretch)
Related CVEs CVE-2020-35357

A buffer overflow can occur when calculating the quantile value using the Statistics Library of GSL (GNU Scientific Library). Processing a maliciously crafted input data for gsl_stats_quantile_from_sorted_data of the library may lead to unexpected application termination or arbitrary code execution.

For Debian 8 jessie, these problems have been fixed in version 1.16+dfsg-2+deb8u1.

For Debian 9 stretch, these problems have been fixed in version 2.3+dfsg-1+deb9u1.

We recommend that you upgrade your gsl packages.

Further information about Extended LTS security advisories can be found in the dedicated section of our website.