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Vulnerability record · CVE-2026-95619 · published 22 September 2026

CVE-2026-95619: Integer overflow vulnerability

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.

7.7 CVSS 3.1 High EPSS 0.36% · top 72.4% CWE-190 · Integer overflow Awaiting Analysis
7.7CVSS 3.1 base score
0.36%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
22 Sep 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-95619), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.