{"id":"CVE-2026-33957","state":"PUBLISHED","title":"An issue was discovered in CustOS Driver in Samsung Mobile Processor Exynos 1580. Requesting oversized shared memory from the custos_iwc device enables out-of-bounds read and write","description":"An issue was discovered in CustOS Driver in Samsung Mobile Processor Exynos 1580. Requesting oversized shared memory from the custos_iwc device enables out-of-bounds read and write, potentially leading to memory corruption or information leakage.","publishedAt":"2026-09-14T00:00:00.000Z","updatedAt":"2026-09-14T18:14:04.557Z","severity":{"score":4.2,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L","source":"mitre"},"assigner":"mitre","products":["Samsung Exynos 1580 firmware"],"affected":[{"vendor":"Samsung","product":"Exynos 1580 firmware","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2026-01-07","versionType":"custom"}]}],"references":["https://semiconductor.samsung.com/support/quality-support/product-security-updates/","https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-33957/"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/33xxx/CVE-2026-33957.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33957","state":"PUBLISHED","datePublished":"2026-09-14T00:00:00.000Z","dateUpdated":"2026-09-14T18:14:04.557Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-03-24T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An issue was discovered in CustOS Driver in Samsung Mobile Processor Exynos 1580. Requesting oversized shared memory from the custos_iwc device enables out-of-bounds read and write, potentially leading to memory corruption or information leakage."}],"affected":[{"vendor":"Samsung","product":"Exynos 1580 firmware","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2026-01-07","versionType":"custom"}]}],"references":[{"url":"https://semiconductor.samsung.com/support/quality-support/product-security-updates/"},{"url":"https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-33957/"}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":4.2,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-09-14T01:40:18.634Z"},"x_generator":{"engine":"enrichogram 0.0.1"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:samsung:exynos_1580_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"2026-01-07"}]}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-14T14:56:41.510638Z","id":"CVE-2026-33957","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-14T18:14:04.557Z"}}]}}}