{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "c656aa4c27b17a8c70da223ed5ab42145800d6b5"
            },
            {
              "fixed": "8bedf1dd5640ac8997bff00bbefe241b438df397"
            },
            {
              "fixed": "23e925183db26cd322597679669ad29d70ed2ada"
            },
            {
              "fixed": "3adca9be14bf36b927193f05f5aea35a1a90e913"
            },
            {
              "fixed": "2c1fadd221b21d8038acfe6a0f56291881d5ff76"
            },
            {
              "fixed": "f48ab6ee654ecc350434e4566bc785773f412b7e"
            },
            {
              "fixed": "ad2f60de5045bfb5d20ea468a97c8760c6a3a4f8"
            },
            {
              "fixed": "cf2ff10183204349edfd6b972e189375fc5f1fb0"
            },
            {
              "fixed": "30fe3f5f6494f827d812ff179f295a8e532709d6"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.5.0"
            },
            {
              "fixed": "5.10.253"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.203"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.168"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.134"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.81"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.22"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43032.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFC: pn533: bound the UART receive buffer\n\npn532_receive_buf() appends every incoming byte to dev-\u003erecv_skb and\nonly resets the buffer after pn532_uart_rx_is_frame() recognizes a\ncomplete frame. A continuous stream of bytes without a valid PN532 frame\nheader therefore keeps growing the skb until skb_put_u8() hits the tail\nlimit.\n\nDrop the accumulated partial frame once the fixed receive buffer is full\nso malformed UART traffic cannot grow the skb past\nPN532_UART_SKB_BUFF_LEN.",
  "id": "CVE-2026-43032",
  "modified": "2026-07-15T01:48:55.993624040Z",
  "published": "2026-05-01T14:15:31.921Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/23e925183db26cd322597679669ad29d70ed2ada"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2c1fadd221b21d8038acfe6a0f56291881d5ff76"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/30fe3f5f6494f827d812ff179f295a8e532709d6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3adca9be14bf36b927193f05f5aea35a1a90e913"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8bedf1dd5640ac8997bff00bbefe241b438df397"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ad2f60de5045bfb5d20ea468a97c8760c6a3a4f8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cf2ff10183204349edfd6b972e189375fc5f1fb0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f48ab6ee654ecc350434e4566bc785773f412b7e"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43032.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43032"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "NFC: pn533: bound the UART receive buffer"
}