{"api_version":"1","generated_at":"2026-05-13T05:23:17+00:00","cve":"CVE-2026-43032","urls":{"html":"https://cve.report/CVE-2026-43032","api":"https://cve.report/api/cve/CVE-2026-43032.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43032","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43032"},"summary":{"title":"NFC: pn533: bound the UART receive buffer","description":"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->recv_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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-01 15:16:47","updated_at":"2026-05-08 18:39:32"},"problem_types":["NVD-CWE-noinfo"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/23e925183db26cd322597679669ad29d70ed2ada","name":"https://git.kernel.org/stable/c/23e925183db26cd322597679669ad29d70ed2ada","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cf2ff10183204349edfd6b972e189375fc5f1fb0","name":"https://git.kernel.org/stable/c/cf2ff10183204349edfd6b972e189375fc5f1fb0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/30fe3f5f6494f827d812ff179f295a8e532709d6","name":"https://git.kernel.org/stable/c/30fe3f5f6494f827d812ff179f295a8e532709d6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f48ab6ee654ecc350434e4566bc785773f412b7e","name":"https://git.kernel.org/stable/c/f48ab6ee654ecc350434e4566bc785773f412b7e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8bedf1dd5640ac8997bff00bbefe241b438df397","name":"https://git.kernel.org/stable/c/8bedf1dd5640ac8997bff00bbefe241b438df397","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2c1fadd221b21d8038acfe6a0f56291881d5ff76","name":"https://git.kernel.org/stable/c/2c1fadd221b21d8038acfe6a0f56291881d5ff76","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3adca9be14bf36b927193f05f5aea35a1a90e913","name":"https://git.kernel.org/stable/c/3adca9be14bf36b927193f05f5aea35a1a90e913","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ad2f60de5045bfb5d20ea468a97c8760c6a3a4f8","name":"https://git.kernel.org/stable/c/ad2f60de5045bfb5d20ea468a97c8760c6a3a4f8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43032","name":"CVE 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