7.7 High

A flaw was found in libstdc++.

CVE-2026-95619

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.

Assessment

CVSS: 7.7 (v3.1)
Severity: High
EPSS: 0.44% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 22 September 2026
Last updated: 1 November 2026
Affected: Red Hat
Assigner: redhat

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

At the source

EUVD (ENISA)

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