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Red Hat Enterprise Linux 8: RHSA-2021:4386 Low: GCC Update Integer Overflow

red hat
Calendar Grey November 9, 2021
Dist Redhat Esm H88
Keep updated on the recent Red Hat announcement regarding a gcc modification affecting version 8, which has been classified as low severity.
An update for gcc is now available for Red Hat Enterprise Linux 8

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

The gcc packages provide compilers for C, C++, Java, Fortran, Objective C, and Ada 95 GNU, as well as related support libraries.
Security Fix(es):
* libiberty: Integer overflow in demangle_template() function (CVE-2018-20673)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory bug fix Red Hat Enterprise Linux integer overflow low severity security impact gcc update

References

https://access.redhat.com/security/cve/CVE-2018-20673 https://access.redhat.com/security/updates/classification#low https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/8.5_release_notes/index

Package List

Red Hat Enterprise Linux AppStream (v. 8):
aarch64: cpp-8.5.0-3.el8.aarch64.rpm cpp-debuginfo-8.5.0-3.el8.aarch64.rpm gcc-8.5.0-3.el8.aarch64.rpm gcc-c++-8.5.0-3.el8.aarch64.rpm gcc-c++-debuginfo-8.5.0-3.el8.aarch64.rpm gcc-debuginfo-8.5.0-3.el8.aarch64.rpm gcc-debugsource-8.5.0-3.el8.aarch64.rpm gcc-gdb-plugin-8.5.0-3.el8.aarch64.rpm gcc-gdb-plugin-debuginfo-8.5.0-3.el8.aarch64.rpm gcc-gfortran-8.5.0-3.el8.aarch64.rpm gcc-gfortran-debuginfo-8.5.0-3.el8.aarch64.rpm gcc-plugin-devel-debuginfo-8.5.0-3.el8.aarch64.rpm libasan-debuginfo-8.5.0-3.el8.aarch64.rpm libatomic-debuginfo-8.5.0-3.el8.aarch64.rpm libgcc-debuginfo-8.5.0-3.el8.aarch64.rpm libgfortran-debuginfo-8.5.0-3.el8.aarch64.rpm libgomp-debuginfo-8.5.0-3.el8.aarch64.rpm libitm-debuginfo-8.5.0-3.el8.aarch64.rpm libitm-devel-8.5.0-3.el8.aarch64.rpm liblsan-debuginfo-8.5.0-3.el8.aarch64.rpm libstdc++-debuginfo-8.5.0-3.el8.aarch64.rpm libstdc++-devel-8.5.0-3.el8.aarch64.rpm libstdc++-docs-8.5.0-3.el8.aarch64.rpm libtsan-debuginfo-8.5.0-3.el8.aarch64.rpm libubsan-debuginfo-8.5.0-3.el8.aarch64.rpm
ppc64le: cpp-8.5.0-3.el8.ppc64le.rpm cpp-debuginfo-8.5.0-3.el8.ppc64le.rpm gcc-8.5.0-3.el8.ppc64le.rpm gcc-c++-8.5.0-3.el8.ppc64le.rpm gcc-c++-debuginfo-8.5.0-3.el8.ppc64le.rpm gcc-debuginfo-8.5.0-3.el8.ppc64le.rpm

Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:4386-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4386
Issue date: 2021-11-09

Topic

An update for gcc is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Low. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory bug fix Red Hat Enterprise Linux integer overflow low severity security impact gcc update

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux CRB (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1664709 - CVE-2018-20673 libiberty: Integer overflow in demangle_template() function

1925632 - aarch64: -ftree-vectorize generates wrong code with gcc 8 & 9

1946758 - Update gcc for RHEL 8.5 from upstream GCC 8.5

1958295 - gcc ice when compiling compiler-rt on aarch64

1960701 - Wrong-code regression starting with gcc 8.2

1965951 - Wrong-code regression starting with gcc 8.5

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