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RLSA-2026:98633

Security Mirrored from RHSA-2026:98633
Issued at: 2026-11-13
Updated at: 2026-11-14

Advisory content derived from Red Hat RHSA-2026:98633, © Red Hat, Inc., used under CC BY 4.0, with modifications.

Synopsis

Moderate: gcc-toolset-15-gcc security update



Description

The gcc-toolset-15-gcc package contains the GNU Compiler Collection version 15.

Security Fix(es):

* gcc: Integer wrap in `std (CVE-2026-114691)

* gcc: Confirmed out-of-bounds read/write in libstdc++ parallel `std (CVE-2026-114690)

* gcc: Stack overflow in std::bitset on libstdc++ (CVE-2026-115455)

* gcc: Out-of-bounds read in std::from_chars (CVE-2026-115456)

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.



Affected products

Rocky Linux 10 aarch64 Rocky Linux 10 ppc64le Rocky Linux 10 riscv64 Rocky Linux 10 s390x Rocky Linux 10 x86_64

Fixes

2478652 2478508 2562933 2563044

CVEs

CVE-2026-114690 CVE-2026-114691 CVE-2026-115455 CVE-2026-115456

Affected packages

Rocky Linux 10 s390x - AppStream

gcc-toolset-15-gcc-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-gcc-plugin-devel-debuginfo-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-libubsan-devel-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-gcc-c++-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-gcc-c++-debuginfo-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-gcc-plugin-annobin-debuginfo-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-liblsan-devel-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-gcc-plugin-devel-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-libstdc++-docs-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-libasan-devel-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-gcc-gfortran-debuginfo-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-gcc-debuginfo-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-gcc-gfortran-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-libstdc++-devel-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-libtsan-devel-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-libgccjit-devel-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-libgccjit-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-libgccjit-debuginfo-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-gcc-0:15.2.1-8.2.el10_3.src.rpm gcc-toolset-15-libatomic-devel-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-gcc-plugin-annobin-0:15.2.1-8.2.el10_3.s390x.rpm gcc-toolset-15-libitm-devel-0:15.2.1-8.2.el10_3.s390x.rpm

Rocky Linux 10 aarch64 - AppStream

gcc-toolset-15-liblsan-devel-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-libgccjit-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-libubsan-devel-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-libstdc++-devel-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-gcc-gfortran-debuginfo-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-gcc-plugin-devel-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-gcc-plugin-annobin-debuginfo-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-gcc-c++-debuginfo-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-libgccjit-debuginfo-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-libstdc++-docs-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-libgccjit-devel-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-libatomic-devel-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-gcc-plugin-devel-debuginfo-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-libtsan-devel-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-libitm-devel-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-gcc-plugin-annobin-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-gcc-gfortran-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-gcc-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-gcc-c++-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-gcc-0:15.2.1-8.2.el10_3.src.rpm gcc-toolset-15-libasan-devel-0:15.2.1-8.2.el10_3.aarch64.rpm gcc-toolset-15-gcc-debuginfo-0:15.2.1-8.2.el10_3.aarch64.rpm

Rocky Linux 10 x86_64 - AppStream

gcc-toolset-15-libitm-devel-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-libstdc++-devel-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-gcc-gfortran-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-liblsan-devel-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-offload-nvptx-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-gcc-c++-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-gcc-plugin-devel-debuginfo-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-gcc-plugin-annobin-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-gcc-plugin-devel-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-libasan-devel-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-libatomic-devel-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-libstdc++-docs-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-libgccjit-devel-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-gcc-c++-debuginfo-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-libgccjit-debuginfo-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-gcc-debuginfo-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-gcc-plugin-annobin-debuginfo-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-gcc-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-offload-nvptx-debuginfo-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-libtsan-devel-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-libgccjit-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-gcc-gfortran-debuginfo-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-libubsan-devel-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-libquadmath-devel-0:15.2.1-8.2.el10_3.x86_64.rpm gcc-toolset-15-gcc-0:15.2.1-8.2.el10_3.src.rpm

Rocky Linux 10 ppc64le - AppStream

gcc-toolset-15-gcc-plugin-annobin-debuginfo-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-liblsan-devel-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-libgccjit-debuginfo-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-libasan-devel-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-gcc-c++-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-libgccjit-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-libatomic-devel-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-gcc-plugin-devel-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-libubsan-devel-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-libstdc++-devel-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-gcc-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-libitm-devel-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-libtsan-devel-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-libgccjit-devel-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-libquadmath-devel-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-gcc-plugin-annobin-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-offload-nvptx-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-libstdc++-docs-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-offload-nvptx-debuginfo-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-gcc-0:15.2.1-8.2.el10_3.src.rpm gcc-toolset-15-gcc-plugin-devel-debuginfo-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-gcc-gfortran-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-gcc-debuginfo-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-gcc-gfortran-debuginfo-0:15.2.1-8.2.el10_3.ppc64le.rpm gcc-toolset-15-gcc-c++-debuginfo-0:15.2.1-8.2.el10_3.ppc64le.rpm

Rocky Linux 10 riscv64 - AppStream

gcc-toolset-15-gcc-0:15.2.1-8.2.el10_3.src.rpm