SUSE-CU-2020:56-1: Security update of suse/sles12sp4

[sle-security-updates at lists.suse.com]

SUSE Container Update Advisory: suse/sles12sp4
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Container Advisory ID : SUSE-CU-2020:56-1
Container Tags        : suse/sles12sp4:26.137 , suse/sles12sp4:latest
Container Release     : 26.137
Severity              : moderate
Type                  : security
References            : 1114592 1135254 1141897 1142649 1142654 1148517 1149145 CVE-2019-14250
                        CVE-2019-15847 
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The container suse/sles12sp4 was updated. The following patches have been included in this update:

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Advisory ID: SUSE-SU-2020:394-1
Released:    Tue Feb 18 14:08:00 2020
Summary:     Security update for gcc9
Type:        security
Severity:    moderate
References:  1114592,1135254,1141897,1142649,1142654,1148517,1149145,CVE-2019-14250,CVE-2019-15847
Description:

This update for gcc9 fixes the following issues:

The GNU Compiler Collection is shipped in version 9.

A detailed changelog on what changed in GCC 9 is available at https://gcc.gnu.org/gcc-9/changes.html

The compilers have been added to the SUSE Linux Enterprise Toolchain Module.

To use these compilers, install e.g. gcc9, gcc9-c++ and build with CC=gcc-9
CXX=g++-9 set.


For SUSE Linux Enterprise base products, the libstdc++6, libgcc_s1 and
other compiler libraries have been switched from their gcc8 variants to
their gcc9 variants.

Security issues fixed:

- CVE-2019-15847: Fixed a miscompilation in the POWER9 back end, that optimized multiple calls of the __builtin_darn intrinsic into a single call. (bsc#1149145)
- CVE-2019-14250: Fixed a heap overflow in the LTO linker. (bsc#1142649)

Non-security issues fixed:

- Split out libstdc++ pretty-printers into a separate package supplementing gdb and the installed runtime. (bsc#1135254)
- Fixed miscompilation for vector shift on s390. (bsc#1141897)