{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-42570", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-28T17:26:12.084Z", "datePublished": "2026-06-09T16:12:26.377Z", "dateUpdated": "2026-07-15T00:57:11.431Z" }, "containers": { "cna": { "title": "Svelte devalue: DoS via sparse array deserialization", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-770", "lang": "en", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } } ], "references": [ { "name": "https://github.com/sveltejs/devalue/security/advisories/GHSA-77vg-94rm-hx3p", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/sveltejs/devalue/security/advisories/GHSA-77vg-94rm-hx3p" }, { "name": "https://github.com/sveltejs/devalue/commit/206ca6712fbc380a4571c59de9ab04b91110792d", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/sveltejs/devalue/commit/206ca6712fbc380a4571c59de9ab04b91110792d" }, { "name": "https://github.com/sveltejs/devalue/releases/tag/v5.8.1", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/sveltejs/devalue/releases/tag/v5.8.1" } ], "affected": [ { "vendor": "sveltejs", "product": "devalue", "versions": [ { "version": ">= 5.6.3, < 5.8.1", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-09T16:12:26.377Z" }, "descriptions": [ { "lang": "en", "value": "Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. From version 5.6.3 to before version 5.8.1, devalue.parse could, due to quirks in some JavaScript engines, be convinced to allocate much more memory than was needed when deserializing sparse arrays, leading to excessive memory consumption. This issue has been patched in version 5.8.1." } ], "source": { "advisory": "GHSA-77vg-94rm-hx3p", "discovery": "UNKNOWN" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-06-09T18:06:15.435480Z", "id": "CVE-2026-42570", "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": "2026-06-09T18:06:56.030Z" } }, { "affected": [ { "collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": [ "cpe:/a:redhat:trusted_artifact_signer:1.4::el9" ], "defaultStatus": "affected", "packageName": "rhtas/rekor-search-ui-rhel9", "product": "Red Hat Trusted Artifact Signer 1.4", "vendor": "Red Hat", "versions": [ { "lessThan": "*", "status": "unaffected", "version": "1783327185", "versionType": "rpm" } ] }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/a:redhat:podman_desktop:1" ], "defaultStatus": "unknown", "packageName": "rh-podman-desktop.git", "product": "Red Hat Build of Podman Desktop", "vendor": "Red Hat" } ], "datePublic": "2026-06-09T16:12:26.377Z", "descriptions": [ { "lang": "en", "value": "A flaw was found in devalue, a JavaScript library used for serializing values. Due to quirks in some JavaScript engines, the `devalue.parse` function could be exploited by a remote attacker when deserializing specially crafted sparse arrays. This could lead to excessive memory consumption, resulting in a Denial of Service (DoS) for the affected system." } ], "metrics": [ { "other": { "content": { "namespace": "https://access.redhat.com/security/updates/classification/", "value": "Important" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "format": "CVSS" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-770", "description": "Allocation of Resources Without Limits or Throttling", "lang": "en", "type": "CWE" } ] } ], "references": [ { "tags": [ "vdb-entry", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/security/cve/CVE-2026-42570" }, { "name": "RHBZ#2487050", "tags": [ "issue-tracking", "x_refsource_REDHAT" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487050" }, { "tags": [ "x_sadp-csaf-vex" ], "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42570.json" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:37272" } ], "solutions": [ { "lang": "en", "value": "RHSA-2026:37272: Red Hat Trusted Artifact Signer 1.4" } ], "timeline": [ { "lang": "en", "time": "2026-06-09T17:01:16.012Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-06-09T16:12:26.377Z", "value": "Made public." } ], "title": "devalue: devalue: Excessive memory consumption via deserialization of sparse arrays", "x_adpType": "supplier", "x_generator": { "engine": "sadp-cli 1.0.0" }, "providerMetadata": { "orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "shortName": "redhat-SADP", "dateUpdated": "2026-07-15T00:57:11.431Z" } } ] } }