{"id":"CVE-2026-42570","aliases":["CLSA-2026-1778805970","CLSA-2026-1790161447","CLSA-2026-1790605435","CLSA-2026-1790606671","EUVD-2026-35500","GHSA-77vg-94rm-hx3p","RHSA-2026:57590"],"status":"published","title":"Svelte devalue: DoS via sparse array deserialization","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00397,"percentile":0.34343,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-770"],"published":"2026-05-14T20:23:47Z","modified":"2026-10-28T02:30:58Z","fixes":[{"ecosystem":"npm","package":"devalue","fixed_in":["5.8.1"],"sources":["ghsa","osv"]},{"ecosystem":"TuxCare:npm","package":"devalue","fixed_in":["4.3.3-tuxcare.4"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"devalue","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.6.3"},{"last_affected":"5.8.0"},{"fixed":"5.8.1"}]}]},{"source":"osv","ecosystem":"TuxCare:npm","package":"devalue","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.3.3-tuxcare.0"},{"fixed":"4.3.3-tuxcare.4"}]}],"versions":["4.3.3","4.3.3-tuxcare.1","4.3.3-tuxcare.2","4.3.3-tuxcare.3"]},{"source":"osv","ecosystem":"TuxCare:npm","package":"devalue","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.3.2-tuxcare.0"},{"fixed":"4.3.2-tuxcare.3"}]}],"versions":["4.3.2","4.3.2-tuxcare.1","4.3.2-tuxcare.2"],"bundled":2},{"source":"osv","ecosystem":"TuxCare:npm","package":"devalue","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.3.0-tuxcare.0"},{"fixed":"4.3.0-tuxcare.2"}]}],"versions":["4.3.0","4.3.0-tuxcare.1"],"bundled":2},{"source":"osv","ecosystem":"TuxCare:npm","package":"devalue","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.3.1-tuxcare.0"},{"fixed":"4.3.1-tuxcare.2"}]}],"versions":["4.3.1","4.3.1-tuxcare.1"],"bundled":2},{"source":"osv","ecosystem":"npm","package":"devalue","ranges":[{"type":"SEMVER","events":[{"introduced":"5.6.3"},{"fixed":"5.8.1"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:10.2","package":"rh-podman-desktop","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.1.2-1.el10_2"}]}],"bundled":24}],"products":[{"vendor":"red hat","product":"red hat build of podman desktop"},{"vendor":"red hat","product":"red hat enterprise linux 10"},{"vendor":"red hat","product":"red hat trusted artifact signer 1.4"},{"vendor":"svelte","product":"devalue"},{"vendor":"sveltejs","product":"devalue"}],"references":[{"url":"https://github.com/sveltejs/devalue/security/advisories/GHSA-77vg-94rm-hx3p","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web","article"]},{"url":"https://github.com/sveltejs/devalue/commit/206ca6712fbc380a4571c59de9ab04b91110792d","tags":["x_refsource_MISC","Patch","fix","web","article"]},{"url":"https://github.com/sveltejs/devalue/releases/tag/v5.8.1","tags":["x_refsource_MISC","Product","Release Notes","web","article"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-42570","tags":["vdb-entry","x_refsource_REDHAT","advisory","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2487050","tags":["issue-tracking","x_refsource_REDHAT","report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42570.json","tags":["x_sadp-csaf-vex","web"]},{"url":"https://access.redhat.com/errata/RHSA-2026:57590","tags":["vendor-advisory","x_refsource_REDHAT","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:37272","tags":["vendor-advisory","x_refsource_REDHAT","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42570","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-77vg-94rm-hx3p"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42570.json","tags":["advisory"]},{"url":"https://github.com/sveltejs/devalue","tags":["package"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2455470","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2476810","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2477081","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2477914","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2487946","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2488480","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2488934","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2489661","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2493633","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2494197","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2494813","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2498116","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2498120","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2498122","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2498127","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2499682","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2500656","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2500695","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2506433","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2507595","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2510719","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2510722","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2510801","tags":["report"]},{"url":"https://issues.redhat.com/browse/RHEL-238929","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_57590.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-9595","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-9595","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9595","tags":["advisory"]},{"url":"https://cna.openjsf.org/security-advisories.html","tags":["article"]},{"url":"https://github.com/facebook/create-react-app/pull/7444","tags":["article"]},{"url":"https://github.com/vuejs/vue-cli/commit/72ba7505aff2a8314e82aa5082379a77504a1fcb","tags":["article"]},{"url":"https://github.com/webpack/webpack-dev-server/pull/4316","tags":["article"]},{"url":"https://github.com/webpack/webpack-dev-server/security/advisories/GHSA-mx8g-39q3-5c79","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-12143","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-12143","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12143","tags":["advisory"]},{"url":"https://cwe.mitre.org/data/definitions/93.html","tags":["article"]},{"url":"https://github.com/form-data/form-data/commit/64190db548c0179e37206858e39f27cf513e9435","tags":["article"]},{"url":"https://github.com/form-data/form-data/commit/be3f3cf553978bac15a5182f1f3c3d2d38ccf229","tags":["article"]},{"url":"https://github.com/form-data/form-data/commit/c7133499c2ee1b80c678e411244f4442bf902045","tags":["article"]},{"url":"https://github.com/form-data/form-data/security/advisories/GHSA-hmw2-7cc7-3qxx","tags":["article"]},{"url":"https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#multipart-form-data","tags":["article"]},{"url":"https://www.npmjs.com/package/form-data","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-13149","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-13149","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-13149","tags":["advisory"]},{"url":"https://github.c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devalue: DoS via sparse array deserialization","description":"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.","status":"published","published":"2026-06-09T16:12:26.377Z","modified":"2026-08-24T12:07:13.887Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-770","CWE-770"],"updated_at":"2026-11-02T13:40:35.004553Z"}],"euvd":[{"id":"EUVD-2026-35500","description":"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.","status":"published","published":"2026-06-09T16:12:26Z","modified":"2026-08-24T12:07:13Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:35.296422Z"}],"ghsa":[{"id":"GHSA-77vg-94rm-hx3p","title":"Svelte devalue: DoS via sparse array deserialization","description":"`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.","status":"published","published":"2026-05-14T20:23:47Z","modified":"2026-06-09T18:41:25Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:40:24.856614Z"}],"nvd":[{"id":"CVE-2026-42570","description":"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.","status":"published","published":"2026-06-09T17:17:07.253Z","modified":"2026-08-24T13:18:44.64Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:12:23.109705Z"}],"osv":[{"id":"CVE-2026-42570","title":"Svelte devalue: DoS via sparse array deserialization","description":"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.","status":"published","published":"2026-06-09T16:12:26.377Z","modified":"2026-10-28T02:30:58.919664601Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:45:04.117819Z"},{"id":"GHSA-77vg-94rm-hx3p","title":"Svelte devalue: DoS via sparse array deserialization","description":"`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.","status":"published","published":"2026-05-14T20:23:47Z","modified":"2026-06-09T18:45:32.246793064Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:46:40.657155Z"},{"id":"RHSA-2026:57590","title":"Red Hat Security Advisory: rh-podman-desktop security, bug fix, and enhancement update","status":"published","published":"2026-08-21T10:14:02Z","modified":"2026-10-20T10:11:37Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:21.457353Z"},{"id":"CLSA-2026-1778805970","title":"TuxCare security update for devalue (1 CVE)","description":"TuxCare rebuilt devalue to address 1 CVE. Fixed in 4.3.3-tuxcare.4.","status":"published","published":"2026-08-04T14:52:31Z","modified":"2026-10-15T09:45:29.570048422Z","updated_at":"2026-11-02T15:43:44.737408Z"},{"id":"CLSA-2026-1790161447","title":"TuxCare security update for devalue (2 CVEs)","description":"TuxCare rebuilt devalue to address 2 CVEs. Fixed in 4.3.2-tuxcare.3.","status":"published","published":"2026-09-23T11:04:07Z","modified":"2026-10-15T09:47:13.550448519Z","updated_at":"2026-11-02T15:43:48.28229Z"},{"id":"CLSA-2026-1790605435","title":"TuxCare security update for devalue (2 CVEs)","description":"TuxCare rebuilt devalue to address 2 CVEs. Fixed in 4.3.0-tuxcare.2.","status":"published","published":"2026-09-28T14:23:55Z","modified":"2026-10-15T09:48:03.265598107Z","updated_at":"2026-11-02T15:43:48.65893Z"},{"id":"CLSA-2026-1790606671","title":"TuxCare security update for devalue (2 CVEs)","description":"TuxCare rebuilt devalue to address 2 CVEs. Fixed in 4.3.1-tuxcare.2.","status":"published","published":"2026-09-28T14:44:31Z","modified":"2026-10-15T09:48:04.043971953Z","updated_at":"2026-11-02T15:43:48.65893Z"}]}}