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CVE record · CVE-2026-115455

Gcc: stack overflow in std::bitset on libstdc++

CVSS 6.5 MediumEPSS 0.0031 · 24th percentile

Published by the CVE Program (CNA: redhat) at 30 Oct 2026, 07:13 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Red Hat Red Hat Hardened Images Package name: gcc13-main https://catalog.redhat.com/software/containers/
  • unaffected 13.5.0-0.4.hum1 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 10 Package name: gcc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 10 Package name: gcc-toolset-15-gcc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 10 Package name: gcc-toolset-16-gcc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 10 Package name: mingw-gcc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 6 Package name: compat-gcc-295 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Enterprise Linux 6 Package name: compat-gcc-296 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Enterprise Linux 6 Package name: compat-gcc-32 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Enterprise Linux 6 Package name: compat-gcc-34 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Enterprise Linux 6 Package name: gcc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Enterprise Linux 7 Package name: compat-gcc-32 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Enterprise Linux 7 Package name: compat-gcc-34 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Enterprise Linux 7 Package name: compat-gcc-44 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Enterprise Linux 7 Package name: gcc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Enterprise Linux 8 Package name: gcc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Enterprise Linux 8 Package name: gcc-toolset-14-gcc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Enterprise Linux 8 Package name: gcc-toolset-15-gcc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 8 Package name: mingw-gcc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Enterprise Linux 9 Package name: gcc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Enterprise Linux 9 Package name: gcc-toolset-14-gcc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Enterprise Linux 9 Package name: gcc-toolset-15-gcc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 9 Package name: gcc-toolset-16-gcc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 9 Package name: mingw-gcc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Hardened Images Package name: gcc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat OpenShift Container Platform 4 Package name: openshift/ose-rhel-coreos-8 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat OpenShift Container Platform 4 Package name: openshift/ose-rhel-coreos-9 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat OpenShift Container Platform 5 Package name: openshift/ose-rhel-coreos-9 https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Identifiers
CVE-2026-115455
CNA
redhat
Weakness (CWE)
CWE-787
Tags
Published
30 Oct 2026
Updated
5 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
6.5 Medium 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H CNA (redhat)
  • CISA KEV Not listed.
  • EPSS 0.0031, the 24th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 30 Oct 2026, 07:13 UTC Confirmed by the CVE List
  2. 30 Oct 2026, 08:16 UTC Confirmed by NVD

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.