A flaw was found in GCC. An out-of-bounds memory access vulnerability exists in the libstdc++ parallel search implementation due to an undersized internal buffer. A local attacker can exploit this flaw by providing crafted search data to an application compiled with parallel mode, causing the process to crash and leading to a Denial of Service (DoS).
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

Mitigation 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.

History

Fri, 30 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 30 Oct 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared Gcc
Gcc gcc
Red Hat
Red Hat enterprise Linux
Redhat hardened Images
Redhat openshift Container Platform
Vendors & Products Gcc
Gcc gcc
Red Hat
Red Hat enterprise Linux
Redhat hardened Images
Redhat openshift Container Platform

Fri, 30 Oct 2026 12:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Fri, 30 Oct 2026 07:30:00 +0000

Type Values Removed Values Added
Description A flaw was found in GCC. An out-of-bounds memory access vulnerability exists in the libstdc++ parallel search implementation due to an undersized internal buffer. A local attacker can exploit this flaw by providing crafted search data to an application compiled with parallel mode, causing the process to crash and leading to a Denial of Service (DoS).
Title Gcc: confirmed out-of-bounds read/write in libstdc++ parallel `std
First Time appeared Redhat
Redhat enterprise Linux
Redhat hummingbird
Redhat openshift
Weaknesses CWE-787
CPEs cpe:/a:redhat:hummingbird:1
cpe:/a:redhat:openshift:4
cpe:/a:redhat:openshift:5
cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Redhat hummingbird
Redhat openshift
References
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-10-30T18:49:39.316Z

Reserved: 2026-10-21T22:14:31.928Z

Link: CVE-2026-114690

cve-icon Vulnrichment

Updated: 2026-10-30T15:20:51.234Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-30T08:16:55.047

Modified: 2026-10-30T19:18:11.513

Link: CVE-2026-114690

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-10-28T19:11:28Z

Links: CVE-2026-114690 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-30T16:45:14Z

Weaknesses