CVE-2026-114690 - Vulnerability Details - OpenCVE

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).

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Redhat	Enterprise Linux Hummingbird Openshift

No data.

No data.

References

Link	Providers
https://access.redhat.com/security/cve/CVE-2026-114690
https://bugzilla.redhat.com/show_bug.cgi?id=2478652

History

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		https://access.redhat.com/security/cve/CVE-2026-114690 https://bugzilla.redhat.com/show_bug.cgi?id=2478652
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'}`

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2026-10-30T07:13:04.008Z

Updated: 2026-10-30T07:13:04.008Z

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

Link: CVE-2026-114690

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

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

Modified: 2026-10-30T08:16:55.177

Link: CVE-2026-114690

Redhat

No data.

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