A flaw was found in libstdc++. An integer overflow can occur when processing large inputs to the aligned operator new in the C++ library. This vulnerability could lead to an undersized memory allocation, potentially causing memory corruption or application instability.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
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Enterprise Linux Subscribe
Hummingbird Subscribe
Openshift Subscribe

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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.

References
Link Providers
https://access.redhat.com/errata/RHSA-2026:58503 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:67275 cve-icon cve-icon
https://access.redhat.com/security/cve/CVE-2026-95619 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=2537811 cve-icon cve-icon
History

Tue, 22 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Tue, 22 Sep 2026 18:15:00 +0000

Type Values Removed Values Added
References

Tue, 22 Sep 2026 17:15:00 +0000

Type Values Removed Values Added
Description A flaw was found in libstdc++. An integer overflow can occur when processing large inputs to the C++ `new` operator. This vulnerability could lead to an undersized memory allocation, potentially causing memory corruption or application instability. A flaw was found in libstdc++. An integer overflow can occur when processing large inputs to the aligned operator new in the C++ library. This vulnerability could lead to an undersized memory allocation, potentially causing memory corruption or application instability.

Tue, 22 Sep 2026 14:15:00 +0000

Type Values Removed Values Added
First Time appeared Redhat enterprise Linux
Redhat openshift
CPEs cpe:/a:redhat:openshift:4
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 enterprise Linux
Redhat openshift

Tue, 22 Sep 2026 13:45:00 +0000

Type Values Removed Values Added
Title Gcc: libstd++: libstdc++ integer overflow in `new` operator Gcc: libstdc++ integer overflow in `new` operator

Tue, 22 Sep 2026 13:00:00 +0000

Type Values Removed Values Added
Description A flaw was found in libstdc++. An integer overflow can occur when processing large inputs to the C++ `new` operator. This vulnerability could lead to an undersized memory allocation, potentially causing memory corruption or application instability.
Title Gcc: libstd++: libstdc++ integer overflow in `new` operator
First Time appeared Redhat
Redhat hummingbird
Weaknesses CWE-190
CPEs cpe:/a:redhat:hummingbird:1
Vendors & Products Redhat
Redhat hummingbird
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-09-22T17:57:31.834Z

Reserved: 2026-09-22T10:25:12.951Z

Link: CVE-2026-95619

cve-icon Vulnrichment

Updated: 2026-09-22T17:26:01.329Z

cve-icon NVD

Status : Received

Published: 2026-09-22T13:17:13.300

Modified: 2026-09-22T18:17:35.590

Link: CVE-2026-95619

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-22T18:00:17Z

Weaknesses