{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:gnu:binutils:2.47:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "2.47"
              },
              {
                "last_affected": "2.47"
              }
            ],
            "source": "CPE_STRING"
          },
          "events": [
            {
              "introduced": "6ce87bbc521cf46eaee9a1f7ef61cee2cdfb3e32"
            },
            {
              "last_affected": "6ce87bbc521cf46eaee9a1f7ef61cee2cdfb3e32"
            }
          ],
          "repo": "https://sourceware.org/git/binutils-gdb.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "2.47"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulDB",
    "cwe_ids": [
      "CWE-119",
      "CWE-120"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90801.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "2.47"
          },
          {
            "last_affected": "2.47"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "A security flaw has been discovered in GNU Binutils 2.47. This impacts the function cache_bwrite of the file bfd/cache.c of the component ld. The manipulation of the argument nbytes results in buffer overflow. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.",
  "id": "CVE-2026-90801",
  "modified": "2026-09-20T11:30:15.032801793Z",
  "published": "2026-09-14T16:15:14.725Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://www.gnu.org/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90801.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90801"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/cve/CVE-2026-90801"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/submit/920276"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/vuln/403303"
    },
    {
      "type": "REPORT",
      "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=34442"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/vuln/403303/cti"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/r1ck9-2q/cve_summit/blob/main/Heap-buffer-overflow%20in%20%60cache_bwrite%60%20(bfdcache.c436)%20via%20malformed%20ELF%20with%20%60--gc-sections%20-w%60.md"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "GNU Binutils ld cache.c cache_bwrite buffer overflow"
}