RHSA-2026:98633: Moderate: gcc-toolset-15-gcc security update

Published Nov 11, 2026
·
Updated

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::fromchars (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 Software

74 affected componentsFixes available
redhat/gcc-toolset<15-gcc-15.2.1-8.2.el10_3
15-gcc-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-15.2.1-8.2.el10_3
15-gcc-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-debuginfo-15.2.1-8.2.el10_3
15-gcc-debuginfo-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-gfortran-15.2.1-8.2.el10_3
15-gcc-gfortran-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-gfortran-debuginfo-15.2.1-8.2.el10_3
15-gcc-gfortran-debuginfo-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-plugin-annobin-15.2.1-8.2.el10_3
15-gcc-plugin-annobin-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-plugin-annobin-debuginfo-15.2.1-8.2.el10_3
15-gcc-plugin-annobin-debuginfo-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-plugin-devel-15.2.1-8.2.el10_3
15-gcc-plugin-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-plugin-devel-debuginfo-15.2.1-8.2.el10_3
15-gcc-plugin-devel-debuginfo-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libasan-devel-15.2.1-8.2.el10_3
15-libasan-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libatomic-devel-15.2.1-8.2.el10_3
15-libatomic-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libgccjit-15.2.1-8.2.el10_3
15-libgccjit-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libgccjit-debuginfo-15.2.1-8.2.el10_3
15-libgccjit-debuginfo-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libgccjit-devel-15.2.1-8.2.el10_3
15-libgccjit-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libitm-devel-15.2.1-8.2.el10_3
15-libitm-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-liblsan-devel-15.2.1-8.2.el10_3
15-liblsan-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libquadmath-devel-15.2.1-8.2.el10_3
15-libquadmath-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libtsan-devel-15.2.1-8.2.el10_3
15-libtsan-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libubsan-devel-15.2.1-8.2.el10_3
15-libubsan-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-offload-nvptx-15.2.1-8.2.el10_3
15-offload-nvptx-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-offload-nvptx-debuginfo-15.2.1-8.2.el10_3
15-offload-nvptx-debuginfo-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-debuginfo-15.2.1-8.2.el10_3
15-gcc-debuginfo-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-gfortran-15.2.1-8.2.el10_3
15-gcc-gfortran-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-gfortran-debuginfo-15.2.1-8.2.el10_3
15-gcc-gfortran-debuginfo-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-plugin-annobin-15.2.1-8.2.el10_3
15-gcc-plugin-annobin-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-plugin-annobin-debuginfo-15.2.1-8.2.el10_3
15-gcc-plugin-annobin-debuginfo-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-plugin-devel-15.2.1-8.2.el10_3
15-gcc-plugin-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-plugin-devel-debuginfo-15.2.1-8.2.el10_3
15-gcc-plugin-devel-debuginfo-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libasan-devel-15.2.1-8.2.el10_3
15-libasan-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libatomic-devel-15.2.1-8.2.el10_3
15-libatomic-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libgccjit-15.2.1-8.2.el10_3
15-libgccjit-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libgccjit-debuginfo-15.2.1-8.2.el10_3
15-libgccjit-debuginfo-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libgccjit-devel-15.2.1-8.2.el10_3
15-libgccjit-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libitm-devel-15.2.1-8.2.el10_3
15-libitm-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-liblsan-devel-15.2.1-8.2.el10_3
15-liblsan-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libtsan-devel-15.2.1-8.2.el10_3
15-libtsan-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libubsan-devel-15.2.1-8.2.el10_3
15-libubsan-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-15.2.1-8.2.el10_3
15-gcc-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-debuginfo-15.2.1-8.2.el10_3
15-gcc-debuginfo-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-gfortran-15.2.1-8.2.el10_3
15-gcc-gfortran-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-gfortran-debuginfo-15.2.1-8.2.el10_3
15-gcc-gfortran-debuginfo-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-plugin-annobin-15.2.1-8.2.el10_3
15-gcc-plugin-annobin-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-plugin-annobin-debuginfo-15.2.1-8.2.el10_3
15-gcc-plugin-annobin-debuginfo-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-plugin-devel-15.2.1-8.2.el10_3
15-gcc-plugin-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-plugin-devel-debuginfo-15.2.1-8.2.el10_3
15-gcc-plugin-devel-debuginfo-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libasan-devel-15.2.1-8.2.el10_3
15-libasan-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libatomic-devel-15.2.1-8.2.el10_3
15-libatomic-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libgccjit-15.2.1-8.2.el10_3
15-libgccjit-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libgccjit-debuginfo-15.2.1-8.2.el10_3
15-libgccjit-debuginfo-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libgccjit-devel-15.2.1-8.2.el10_3
15-libgccjit-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libitm-devel-15.2.1-8.2.el10_3
15-libitm-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-liblsan-devel-15.2.1-8.2.el10_3
15-liblsan-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libquadmath-devel-15.2.1-8.2.el10_3
15-libquadmath-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libtsan-devel-15.2.1-8.2.el10_3
15-libtsan-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-libubsan-devel-15.2.1-8.2.el10_3
15-libubsan-devel-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-offload-nvptx-15.2.1-8.2.el10_3
15-offload-nvptx-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-offload-nvptx-debuginfo-15.2.1-8.2.el10_3
15-offload-nvptx-debuginfo-15.2.1-8.2.el10_3
redhat/gcc-toolset<15-gcc-15.2.1-8.2.el10_3.aa
15-gcc-15.2.1-8.2.el10_3.aa
redhat/gcc-toolset<15-gcc-debuginfo-15.2.1-8.2.el10_3.aa
15-gcc-debuginfo-15.2.1-8.2.el10_3.aa
redhat/gcc-toolset<15-gcc-gfortran-15.2.1-8.2.el10_3.aa
15-gcc-gfortran-15.2.1-8.2.el10_3.aa
redhat/gcc-toolset<15-gcc-gfortran-debuginfo-15.2.1-8.2.el10_3.aa
15-gcc-gfortran-debuginfo-15.2.1-8.2.el10_3.aa
redhat/gcc-toolset<15-gcc-plugin-annobin-15.2.1-8.2.el10_3.aa
15-gcc-plugin-annobin-15.2.1-8.2.el10_3.aa
redhat/gcc-toolset<15-gcc-plugin-annobin-debuginfo-15.2.1-8.2.el10_3.aa
15-gcc-plugin-annobin-debuginfo-15.2.1-8.2.el10_3.aa
redhat/gcc-toolset<15-gcc-plugin-devel-15.2.1-8.2.el10_3.aa
15-gcc-plugin-devel-15.2.1-8.2.el10_3.aa
redhat/gcc-toolset<15-gcc-plugin-devel-debuginfo-15.2.1-8.2.el10_3.aa
15-gcc-plugin-devel-debuginfo-15.2.1-8.2.el10_3.aa
redhat/gcc-toolset<15-libasan-devel-15.2.1-8.2.el10_3.aa
15-libasan-devel-15.2.1-8.2.el10_3.aa
redhat/gcc-toolset<15-libatomic-devel-15.2.1-8.2.el10_3.aa
15-libatomic-devel-15.2.1-8.2.el10_3.aa
redhat/gcc-toolset<15-libgccjit-15.2.1-8.2.el10_3.aa
15-libgccjit-15.2.1-8.2.el10_3.aa
redhat/gcc-toolset<15-libgccjit-debuginfo-15.2.1-8.2.el10_3.aa
15-libgccjit-debuginfo-15.2.1-8.2.el10_3.aa
redhat/gcc-toolset<15-libgccjit-devel-15.2.1-8.2.el10_3.aa
15-libgccjit-devel-15.2.1-8.2.el10_3.aa
redhat/gcc-toolset<15-libitm-devel-15.2.1-8.2.el10_3.aa
15-libitm-devel-15.2.1-8.2.el10_3.aa
redhat/gcc-toolset<15-liblsan-devel-15.2.1-8.2.el10_3.aa
15-liblsan-devel-15.2.1-8.2.el10_3.aa
redhat/gcc-toolset<15-libtsan-devel-15.2.1-8.2.el10_3.aa
15-libtsan-devel-15.2.1-8.2.el10_3.aa
redhat/gcc-toolset<15-libubsan-devel-15.2.1-8.2.el10_3.aa
15-libubsan-devel-15.2.1-8.2.el10_3.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-gcc-15.2.1-8.2.el10_3
  2. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-gcc-debuginfo-15.2.1-8.2.el10_3
  3. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-gcc-gfortran-15.2.1-8.2.el10_3
  4. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-gcc-gfortran-debuginfo-15.2.1-8.2.el10_3
  5. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-gcc-plugin-annobin-15.2.1-8.2.el10_3
  6. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-gcc-plugin-annobin-debuginfo-15.2.1-8.2.el10_3
  7. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-gcc-plugin-devel-15.2.1-8.2.el10_3
  8. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-gcc-plugin-devel-debuginfo-15.2.1-8.2.el10_3
  9. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-libasan-devel-15.2.1-8.2.el10_3
  10. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-libatomic-devel-15.2.1-8.2.el10_3
  11. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-libgccjit-15.2.1-8.2.el10_3
  12. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-libgccjit-debuginfo-15.2.1-8.2.el10_3
  13. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-libgccjit-devel-15.2.1-8.2.el10_3
  14. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-libitm-devel-15.2.1-8.2.el10_3
  15. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-liblsan-devel-15.2.1-8.2.el10_3
  16. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-libquadmath-devel-15.2.1-8.2.el10_3
  17. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-libtsan-devel-15.2.1-8.2.el10_3
  18. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-libubsan-devel-15.2.1-8.2.el10_3
  19. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-offload-nvptx-15.2.1-8.2.el10_3
  20. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-offload-nvptx-debuginfo-15.2.1-8.2.el10_3
  21. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-gcc-15.2.1-8.2.el10_3.aa
  22. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-gcc-debuginfo-15.2.1-8.2.el10_3.aa
  23. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-gcc-gfortran-15.2.1-8.2.el10_3.aa
  24. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-gcc-gfortran-debuginfo-15.2.1-8.2.el10_3.aa
  25. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-gcc-plugin-annobin-15.2.1-8.2.el10_3.aa
  26. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-gcc-plugin-annobin-debuginfo-15.2.1-8.2.el10_3.aa
  27. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-gcc-plugin-devel-15.2.1-8.2.el10_3.aa
  28. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-gcc-plugin-devel-debuginfo-15.2.1-8.2.el10_3.aa
  29. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-libasan-devel-15.2.1-8.2.el10_3.aa
  30. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-libatomic-devel-15.2.1-8.2.el10_3.aa
  31. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-libgccjit-15.2.1-8.2.el10_3.aa
  32. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-libgccjit-debuginfo-15.2.1-8.2.el10_3.aa
  33. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-libgccjit-devel-15.2.1-8.2.el10_3.aa
  34. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-libitm-devel-15.2.1-8.2.el10_3.aa
  35. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-liblsan-devel-15.2.1-8.2.el10_3.aa
  36. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-libtsan-devel-15.2.1-8.2.el10_3.aa
  37. Upgrade

    Upgrade redhat/gcc-toolset to a version that resolves this vulnerability.

    Fixed in 15-libubsan-devel-15.2.1-8.2.el10_3.aa

Event History

Nov 11, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software

Company

Resources

Contact

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