{"cve":"CVE-2026-98077","nvd":{"published":"2026-09-25T11:17:37.090","modified":"2026-10-19T10:18:03.470","status":"Undergoing Analysis","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_conntrack_sip: fix OOB read in sip_skip_whitespace()\n\nsip_skip_whitespace() returns dptr unchanged when its own loop\nexhausts the buffer (dptr == limit), instead of NULL like its sibling\nsip_follow_continuation() returns on its own \"no more data\" path.\n\nct_sip_get_header() only checks for NULL after calling it:\n\n  dptr = sip_skip_whitespace(dptr, limit);\n  if (dptr == NULL)\n          break;\n  if (*dptr != ':' || ++dptr >= limit)\n          break;\n\nso a recognized header name followed only by spaces/tabs running to\nthe exact end of the SIP payload, with no colon, makes the very next\nstatement read one byte past the buffer.\n\nMake both \"no more data\" outcomes return NULL, matching the\nconvention sip_follow_continuation() already uses and that both\nexisting callers already check for.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/0cfb96a118c5c6d46d7a1cfdfa18355ad734ca79","https://git.kernel.org/stable/c/4a30aa2ba007db18210dd52219ecbd5528c03523","https://git.kernel.org/stable/c/4be8380e3af008f418f97992c06f23be649a430d","https://git.kernel.org/stable/c/60c012b2d05e1558b0f30ea3f15a2c3ca2f24d94","https://git.kernel.org/stable/c/9ae0a87e6f513293677fe286729fbae34d592215"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:56:02.509636177+00:00"},"epss":{"cve":"CVE-2026-98077","score":0.00216,"percentile":0.11975,"date":"2026-10-25"},"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."]}