CVE-2026-95619CWE-190

CVE-2026-95619

High · published September 22, 2026

CVSS v3.1
7.7
EPSS
0%
Percentile
29.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00363 · 29.0th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2026-09-22T17:17Z
References (4)
EPSS history
Timeline
  • 24 SEP 03:25Z
    EPSS moved — → 0%
    epss
  • 22 SEP 12:52Z
    Gcc: libstd++: libstdc++ integer overflow in `new` operator
    cvelistv5