What is CVE-2026-95619?

CVE-2026-95619 is a high-severity vulnerability in Red Hat Enterprise Linux 6, classified under Integer Overflow or Wraparound. CVSS score: 7.7/10. Published 2026-09-22.

How severe is CVE-2026-95619?

High severity. CVSS v3 base score is 7.7 out of 10.

Integer overflow in Red Hat Enterprise Linux 6

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.

Vulnerability class: Integer Overflow

Published 2026-09-22 · last modified 2026-09-22.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

access.redhat.com/security/cve/CVE-2026-95619 (vdb-entry)
bugzilla.redhat.com/show_bug.cgi (issue-tracking)
access.redhat.com/errata/RHSA-2026:58503 (vendor-advisory)
access.redhat.com/errata/RHSA-2026:67275 (vendor-advisory)

Frequently asked questions

What is CVE-2026-95619?: CVE-2026-95619 is a high-severity vulnerability in Red Hat Enterprise Linux 6, classified under Integer Overflow or Wraparound. CVSS score: 7.7/10. Published 2026-09-22.
How severe is CVE-2026-95619?: High severity. CVSS v3 base score is 7.7 out of 10.