A gcc security update has been released for AlmaLinux.
ALSA-2021:4587 Moderate: gcc security update
Type:
security
Severity:
moderate
Release date:
2021-11-18
Description
Security Fix(es):
* Developer environment: Unicode's bidirectional (BiDi) override characters can cause trojan source attacks (CVE-2021-42574)
The following changes were introduced in gcc in order to facilitate detection of BiDi Unicode characters:
This update implements a new warning option -Wbidirectional to warn about possibly dangerous bidirectional characters.
There are three levels of warning supported by gcc:
"-Wbidirectional=unpaired", which warns about improperly terminated BiDi contexts. (This is the default.)
"-Wbidirectional=none", which turns the warning off.
"-Wbidirectional=any", which warns about any use of bidirectional characters.
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
References:
CVE-2021-42574
Updates packages:
cpp-8.5.0-4.el8_5.alma.x86_64.rpm
gcc-8.5.0-4.el8_5.alma.x86_64.rpm
gcc-c++-8.5.0-4.el8_5.alma.x86_64.rpm
gcc-gdb-plugin-8.5.0-4.el8_5.alma.i686.rpm
gcc-gdb-plugin-8.5.0-4.el8_5.alma.x86_64.rpm
gcc-gfortran-8.5.0-4.el8_5.alma.x86_64.rpm
gcc-offload-nvptx-8.5.0-4.el8_5.alma.x86_64.rpm
libitm-devel-8.5.0-4.el8_5.alma.i686.rpm
libitm-devel-8.5.0-4.el8_5.alma.x86_64.rpm
libquadmath-devel-8.5.0-4.el8_5.alma.i686.rpm
libquadmath-devel-8.5.0-4.el8_5.alma.x86_64.rpm
libstdc++-devel-8.5.0-4.el8_5.alma.i686.rpm
libstdc++-devel-8.5.0-4.el8_5.alma.x86_64.rpm
libstdc++-docs-8.5.0-4.el8_5.alma.x86_64.rpm
Notes:
This page is generated automatically and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.
