{"id":"CVE-2026-103222","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-103222","generatedAt":"2026-10-28T05:28:11.653Z","title":"A vulnerability was determined in Blosc C-Blosc2 up to 3.3.2.","description":"A vulnerability was determined in Blosc C-Blosc2 up to 3.3.2. This impacts the function blosclz_decompress of the file blosc/blosclz.c of the component blosclz Decompression. Executing a manipulation can lead to integer overflow. The attack may be launched remotely. A high complexity level is associated with this attack. The exploitability is said to be difficult. Upgrading to version 3.3.3 will fix this issue. This patch is called fe2964d114d97847f56570a0ab2be2c57ccbeedc. The affected component should be upgraded.","published":"2026-09-30T15:22:25.000Z","lastModified":"2026-09-30T17:16:42.000Z","status":"Deferred","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":6.3,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-189","CWE-190"],"affected":[],"epss":{"score":0.00278,"percentile":0.20162,"date":"2026-10-27","history":[{"date":"2026-10-01","score":0.00447,"percentile":0.36542}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.28%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-30T15:22:25.000Z","detail":{"score":"6.3","severity":"MEDIUM","publishedAt":"2026-09-30T15:22:25.163Z"},"summary":"New CVE, medium severity (CVSS 6.3)."}],"references":[{"url":"https://github.com/Blosc/c-blosc2/","source":"cna@vuldb.com"},{"url":"https://github.com/Blosc/c-blosc2/commit/fe2964d114d97847f56570a0ab2be2c57ccbeedc","source":"cna@vuldb.com"},{"url":"https://github.com/Blosc/c-blosc2/releases/tag/v3.3.3","source":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-103222","source":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/954976","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/411905","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/411905/cti","source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-103222","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}