{"id":"CVE-2026-115455","aliases":["AZL-112433","DEBIAN-CVE-2026-115455","EUVD-2026-113747","GHSA-jgwq-jmrj-p95p","UBUNTU-CVE-2026-115455","openSUSE-SU-2026:12482-1","openSUSE-SU-2026:12496-1","openSUSE-SU-2026:12510-1","openSUSE-SU-2026:12511-1"],"status":"published","title":"Gcc: stack overflow in std::bitset on libstdc++","description":"A flaw was found in GCC libstdc++. When an application extracts data into a bitset from a wide-character stream, internal stack memory allocation fails to properly account for character size and alignment. An attacker capable of supplying crafted input to an affected application could trigger a stack-based buffer overflow leading denial of service (DoS).","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00387,"percentile":0.33293,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-10-30T07:13:06Z","modified":"2026-11-12T10:45:22Z","affected":[{"source":"osv","ecosystem":"Azure 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An attacker capable of supplying crafted input to an affected application could trigger a stack-based buffer overflow leading denial of service (DoS).","status":"published","published":"2026-10-30T08:16:55.463Z","modified":"2026-11-11T19:17:29.933Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-11T21:26:18.201559Z"}],"osv":[{"id":"CVE-2026-115455","title":"Gcc: stack overflow in std::bitset on libstdc++","description":"A flaw was found in GCC libstdc++. When an application extracts data into a bitset from a wide-character stream, internal stack memory allocation fails to properly account for character size and alignment. An attacker capable of supplying crafted input to an affected application could trigger a stack-based buffer overflow leading denial of service (DoS).","status":"published","published":"2026-10-30T07:13:06.547Z","modified":"2026-11-12T10:45:22.103639364Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-12T11:17:24.122775Z"},{"id":"DEBIAN-CVE-2026-115455","description":"A flaw was found in GCC libstdc++. When an application extracts data into a bitset from a wide-character stream, internal stack memory allocation fails to properly account for character size and alignment. An attacker capable of supplying crafted input to an affected application could trigger a stack-based buffer overflow leading denial of service (DoS).","status":"published","published":"2026-10-30T08:16:55.463Z","modified":"2026-11-12T10:00:19.254392331Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium"}],"updated_at":"2026-11-12T10:16:18.390123Z"},{"id":"UBUNTU-CVE-2026-115455","description":"A flaw was found in GCC libstdc++. When an application extracts data into a bitset from a wide-character stream, internal stack memory allocation fails to properly account for character size and alignment. An attacker capable of supplying crafted input to an affected application could trigger a stack-based buffer overflow leading denial of service (DoS).","status":"published","published":"2026-10-30T08:16:00Z","modified":"2026-11-05T04:42:47Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium"}],"updated_at":"2026-11-05T13:33:25.727744Z"},{"id":"AZL-112433","title":"CVE-2026-115455 affecting package gcc 13.2.0-7","description":"A flaw was found in GCC libstdc++. When an application extracts data into a bitset from a wide-character stream, internal stack memory allocation fails to properly account for character size and alignment. An attacker capable of supplying crafted input to an affected application could trigger a stack-based buffer overflow leading denial of service (DoS).","status":"published","published":"2026-10-30T08:16:55Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:19.001909Z"},{"id":"openSUSE-SU-2026:12482-1","title":"cpp16-16.2.1+git9901-1.1 on GA media","description":"These are all security issues fixed in the cpp16-16.2.1+git9901-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-11-08T00:00:00Z","modified":"2026-11-09T13:30:03.334866716Z","updated_at":"2026-11-09T14:01:18.614326Z"},{"id":"openSUSE-SU-2026:12496-1","title":"cpp14-14.4.0+git12698-2.1 on GA media","description":"These are all security issues fixed in the cpp14-14.4.0+git12698-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-11-09T00:00:00Z","modified":"2026-11-10T13:15:12.107118273Z","updated_at":"2026-11-10T13:29:51.103746Z"},{"id":"openSUSE-SU-2026:12510-1","title":"cpp13-13.5.0+git10516-3.1 on GA media","description":"These are all security issues fixed in the cpp13-13.5.0+git10516-3.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-11-10T00:00:00Z","modified":"2026-11-11T17:23:11.722846006Z","updated_at":"2026-11-11T17:47:15.466074Z"},{"id":"openSUSE-SU-2026:12511-1","title":"cpp15-15.3.0+git11272-4.1 on GA media","description":"These are all security issues fixed in the cpp15-15.3.0+git11272-4.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-11-10T00:00:00Z","modified":"2026-11-11T17:23:11.715368579Z","updated_at":"2026-11-11T17:47:15.466074Z"}]}}