{"cve":"CVE-2026-63957","nvd":{"published":"2026-07-19T16:17:14.533","modified":"2026-10-30T14:32:28.370","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: safe_serial: fix memory corruption with small endpoint\n\nMake sure that the bulk-out buffer size is at least eight bytes to avoid\nuser-controlled slab corruption in \"safe\" mode should a malicious device\nreport a smaller size.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-787"],"references":["https://git.kernel.org/stable/c/161ea0e5236f5f051d2d85d6c54dd08ee9dc7ba4","https://git.kernel.org/stable/c/438061ed1ad85e6743e2dce826671772d81089ec","https://git.kernel.org/stable/c/857b3cc73f91871ae4433f8b97c4670b78f8dc96","https://git.kernel.org/stable/c/9b3145b3001fb24de1da72d1deb0bea70e5a078b","https://git.kernel.org/stable/c/a550ed2117ca4709d38f713933ff924a83942e41"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-30T14:49:48.263840089+00:00"},"epss":{"cve":"CVE-2026-63957","score":0.00216,"percentile":0.12106,"date":"2026-10-30"},"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."]}