{"id":"CVE-2026-115456","title":"Gcc: out-of-bounds read in std::from_chars","summary":"A flaw was found in gcc. An attacker could cause a Denial of Service (DoS) by passing a string that is not null-terminated to the std::from_chars() function in the libstdc++ library. This issue triggers an out-of-bounds read beyond the a…","severity":"low","cvss":3.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","cvssSource":"cna","cwe":["CWE-125"],"vendor":"Red Hat","product":"gcc","affected":["gcc (all versions)","gcc-toolset-15-gcc (all versions)","gcc-toolset-16-gcc (all versions)","mingw-gcc (all versions)","compat-gcc-295","compat-gcc-296","compat-gcc-32","compat-gcc-34","gcc","compat-gcc-32","compat-gcc-34","compat-gcc-44","gcc","gcc","gcc-toolset-14-gcc","gcc-toolset-15-gcc (all versions)","mingw-gcc","gcc (all versions)","gcc-toolset-14-gcc (all versions)","gcc-toolset-15-gcc (all versions)","gcc-toolset-16-gcc (all versions)","mingw-gcc (all versions)","gcc (all versions)","gcc13 (all versions)","openshift/ose-rhel-coreos-8","openshift/ose-rhel-coreos-9","openshift/ose-rhel-coreos-9"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-30T15:28:14.595258Z"},"published":"2026-10-30","updated":"2026-11-03","sourceUpdated":"2026-11-03T19:41:06.131Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-115456","references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-115456"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2563044","label":"RHBZ#2563044"}],"tags":["cve.org"],"epss":0.00221,"epssPercentile":0.12835,"ingestedAt":"2026-11-05T20:33:06.401Z","slug":"CVE-2026-115456","body":"## Overview\n\nA flaw was found in gcc. An attacker could cause a Denial of Service (DoS) by passing a string that is not null-terminated to the std::from_chars() function in the libstdc++ library. This issue triggers an out-of-bounds read beyond the allocated buffer, potentially leading to invalid data parsing or an application crash.\n\n## Affected\n\n- `gcc (all versions)`\n- `gcc-toolset-15-gcc (all versions)`\n- `gcc-toolset-16-gcc (all versions)`\n- `mingw-gcc (all versions)`\n- `compat-gcc-295`\n- `compat-gcc-296`\n- `compat-gcc-32`\n- `compat-gcc-34`\n- `gcc`\n- `compat-gcc-32`\n- `compat-gcc-34`\n- `compat-gcc-44`\n- `gcc`\n- `gcc`\n- `gcc-toolset-14-gcc`\n- `gcc-toolset-15-gcc (all versions)`\n- `mingw-gcc`\n- `gcc (all versions)`\n- `gcc-toolset-14-gcc (all versions)`\n- `gcc-toolset-15-gcc (all versions)`\n- `gcc-toolset-16-gcc (all versions)`\n- `mingw-gcc (all versions)`\n- `gcc (all versions)`\n- `gcc13 (all versions)`\n- `openshift/ose-rhel-coreos-8`\n- `openshift/ose-rhel-coreos-9`\n- `openshift/ose-rhel-coreos-9`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n### Workarounds\n\nMitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.","depth":"sunlit","depthScore":20,"depthScoreParts":{"impact":20.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}