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CVE-2026-95619

Full vulnerability record from the local CVENow database.

Description

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.

Severity
HIGH
CVSS score
7.7 (v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-09-22 13:17:13.300000
Last modified
2026-10-30 06:16:54.287000
View original CVE JSON
{
  "id": "CVE-2026-95619",
  "sourceIdentifier": "[email protected]",
  "published": "2026-09-22T13:17:13.300",
  "lastModified": "2026-10-30T06:16:54.287",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
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            "cpe:/o:redhat:enterprise_linux:8::baseos"
          ],
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              "versionType": "rpm",
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        },
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          "packageName": "gcc-main",
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          "packageName": "compat-gcc-295",
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          "packageName": "compat-gcc-32",
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          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "packageName": "mingw-gcc",
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  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H",
          "baseScore": 7.7,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.5
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-09-22T17:25:57.941683Z",
          "id": "CVE-2026-95619",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
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  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ]
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  ],
  "references": [
    {
      "url": "https://access.redhat.com/errata/RHSA-2026:58503",
      "source": "[email protected]"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2026:67275",
      "source": "[email protected]"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2026:89830",
      "source": "[email protected]"
    },
    {
      "url": "https://access.redhat.com/security/cve/CVE-2026-95619",
      "source": "[email protected]"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2537811",
      "source": "[email protected]"
    }
  ]
}