{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-35547","assignerOrgId":"63664ac6-956c-4cba-a5d0-f46076e16109","state":"PUBLISHED","assignerShortName":"freebsd","dateReserved":"2026-04-28T15:08:10.642Z","datePublished":"2026-04-30T08:08:13.461Z","dateUpdated":"2026-04-30T13:12:25.493Z"},"containers":{"cna":{"datePublic":"2026-04-29T19:00:00.000Z","title":"Heap overflow in libnv","references":[{"tags":["vendor-advisory"],"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:17.libnv.asc"}],"affected":[{"defaultStatus":"unknown","modules":["libnv"],"product":"FreeBSD","vendor":"FreeBSD","versions":[{"status":"affected","versionType":"release","version":"15.0-RELEASE","lessThan":"p7"},{"status":"affected","versionType":"release","version":"14.4-RELEASE","lessThan":"p3"},{"status":"affected","versionType":"release","version":"14.3-RELEASE","lessThan":"p12"},{"status":"affected","versionType":"release","version":"13.5-RELEASE","lessThan":"p13"}]}],"credits":[{"lang":"en","type":"finder","value":"Mariusz Zaborski"}],"descriptions":[{"lang":"en","value":"When processing the header of an incoming message, libnv failed to properly validate the message size.\n\nThe lack of validation allows a malicious program to write outside the bounds of a heap allocation.  This can trigger a crash or system panic, and it may be possible for an unprivileged user to exploit the bug to elevate their privileges."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","description":"CWE-122: Heap-based Buffer Overflow","lang":"en","type":"CWE"},{"cweId":"CWE-130","description":"CWE-130: Improper Handling of Length Parameter Inconsistency","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"63664ac6-956c-4cba-a5d0-f46076e16109","shortName":"freebsd","dateUpdated":"2026-04-30T08:08:13.461Z"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.1,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-04-30T13:12:03.121522Z","id":"CVE-2026-35547","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-30T13:12:25.493Z"}}]}}