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 · last modified .
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
EPSS: 0.004 (38.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.001
Affected products
Weakness classification (CWE)
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)
- access.redhat.com/errata/RHSA-2026:89830 (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.