CVE-2026-95619— Gcc: libstdc++ integer overflow in `new` operator

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Affected

Red Hat Red Hat Hardened Images

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 ins

CVE-2026-95619 affects Red Hat Red Hat Hardened Images. No confirmed in-the-wild exploitation; assess based on exposure. 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 unders CVE-2026-95619 vulnerability details, Shenlong CVE Platform, https://cve.imfht.com/detail/CVE-2026-95619

I. Basic Information for CVE-2026-95619

Affected Products

II. Public POCs for CVE-2026-95619

III. Intelligence Information for CVE-2026-95619

Vendor Advisories for CVE-2026-95619 (2)

• CVE-2026-95619 - Red Hat Customer Portal vdb-entry x_refsource_REDHAT
• 2537811 – (CVE-2026-95619) CVE-2026-95619 gcc: libstdc++ integer overflow in `new` operator issue-tracking x_refsource_REDHAT

Other References for CVE-2026-95619 (2)

• https://access.redhat.com/errata/RHSA-2026:58503 vendor-advisory x_refsource_REDHAT
• https://access.redhat.com/errata/RHSA-2026:67275 vendor-advisory x_refsource_REDHAT

• https://www.cve.org/CVERecord?id=CVE-2026-95619

Same Patch Batch · Red Hat · 2026-09-22 · 6 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2026-95619