{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-50185", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-03T22:05:13.644Z", "datePublished": "2026-07-17T18:35:02.078Z", "dateUpdated": "2026-07-17T18:35:02.078Z"}, "containers": {"cna": {"title": "RustCrypto Cmov/CmovEq on aarch64 can produce wrong results if high-bits of registers are set", "problemTypes": [{"descriptions": [{"cweId": "CWE-758", "lang": "en", "description": "CWE-758: Reliance on Undefined, Unspecified, or Implementation-Defined Behavior", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 2, "baseSeverity": "LOW", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/RustCrypto/utils/security/advisories/GHSA-3rjw-m598-pq24", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/RustCrypto/utils/security/advisories/GHSA-3rjw-m598-pq24"}, {"name": "https://github.com/RustCrypto/utils/commit/dba6c355c9f241e3726d5ec2a68f9f3b519f6063", "tags": ["x_refsource_MISC"], "url": "https://github.com/RustCrypto/utils/commit/dba6c355c9f241e3726d5ec2a68f9f3b519f6063"}, {"name": "https://github.com/RustCrypto/utils/releases/tag/cmov-v0.5.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/RustCrypto/utils/releases/tag/cmov-v0.5.4"}], "affected": [{"vendor": "RustCrypto", "product": "utils", "versions": [{"version": ">= 0.1.1, < 0.5.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-17T18:35:02.078Z"}, "descriptions": [{"lang": "en", "value": "RustCrypto CMOV provides conditional move CPU intrinsics which are guaranteed on major platforms to execute in constant-time and not be rewritten as branches by the compiler. From 0.1.1 until 0.5.4, the aarch64 implementations of Cmov and CmovEq in cmov/src/backends/aarch64.rs assume high bits are zero-extended when loading values smaller than a register, so set high bits such as [8..] in a Cmov selector or [16..] of self or other in the u16 and i16 CmovEq implementations can cause left.cmovz(&right, condition) to produce incorrect output. This issue is fixed in version 0.5.4."}], "source": {"advisory": "GHSA-3rjw-m598-pq24", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.1.1,0.5.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "utils", "source": "cna", "vendor": "RustCrypto"}, "product": "utils", "vendor": "rustcrypto"}], "created": "2026-07-17T21:15:05.177930+00:00", "updated": "2026-07-17T21:15:05.177952+00:00", "vendors": ["rustcrypto", "rustcrypto$PRODUCT$utils"]}