{"cve":"CVE-2026-43032","nvd":{"published":"2026-05-01T15:16:47.787","modified":"2026-06-17T10:48:48.173","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/23e925183db26cd322597679669ad29d70ed2ada","https://git.kernel.org/stable/c/2c1fadd221b21d8038acfe6a0f56291881d5ff76","https://git.kernel.org/stable/c/30fe3f5f6494f827d812ff179f295a8e532709d6","https://git.kernel.org/stable/c/3adca9be14bf36b927193f05f5aea35a1a90e913","https://git.kernel.org/stable/c/8bedf1dd5640ac8997bff00bbefe241b438df397"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:33:09.003606135+00:00"},"epss":{"cve":"CVE-2026-43032","score":0.00123,"percentile":0.02046,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}