{"schema":"voidly-atlas-federal-record/v1","dataset":"nvd-cves","agency":"NIST","source":"NIST National Vulnerability Database","provider":"Voidly","license":"Source data is U.S. federal public domain (17 U.S.C. §105). Re-surfaced by Voidly under CC BY 4.0.","disclaimer":"This is the agency's own public-domain data, curated and made citable by Voidly. Voidly adds no independent claim — always verify against the linked canonical source.","generated_at":"2026-06-07T04:56:06.704Z","record":{"id":"CVE-2021-47971","cve_id":"CVE-2021-47971","published":"2026-05-16T16:16:22.463","last_modified":"2026-05-16T16:16:22.463","status":"Received","description":"My Notes Safe 5.3 contains a denial of service vulnerability that allows attackers to crash the application by pasting excessively long character strings into note fields. Attackers can generate a payload containing 350000 repeated characters and paste it twice into a new note to trigger an application crash.","cvss_score":7.5,"cvss_severity":"HIGH","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":"CWE-789","cpe_count":0,"source_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47971","voidly_url":"https://voidly.ai/atlas/federal/nvd-cves/CVE-2021-47971"},"citation":{"voidly_url":"https://voidly.ai/atlas/federal/nvd-cves/CVE-2021-47971","source_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47971","recommended":"CVE-2021-47971 — HIGH. NIST, via Voidly Atlas — Surveillance & Digital-Rights Watch. Retrieved 2026-06-07, https://voidly.ai/atlas/federal/nvd-cves/CVE-2021-47971","ris":"TY  - DATA\nTI  - CVE-2021-47971 — HIGH\nAU  - Voidly\nT2  - Voidly Atlas — Surveillance & Digital-Rights Watch\nPB  - Voidly\nPY  - 2026\nUR  - https://voidly.ai/atlas/federal/nvd-cves/CVE-2021-47971\nN1  - Source: NIST National Vulnerability Database, https://nvd.nist.gov/vuln/detail/CVE-2021-47971. Public domain (17 U.S.C. §105); re-surfaced under CC BY 4.0\nER  - ","apa":"Voidly. (2026). CVE-2021-47971 — HIGH [NIST National Vulnerability Database]. Voidly Atlas. Retrieved 2026-06-07, from https://voidly.ai/atlas/federal/nvd-cves/CVE-2021-47971","bibtex":"@misc{voidly_nvd_cves_CVE202147971,\n  title        = {CVE-2021-47971 — HIGH},\n  author       = {{Voidly}},\n  howpublished = {\\url{https://voidly.ai/atlas/federal/nvd-cves/CVE-2021-47971}},\n  note         = {Source: NIST National Vulnerability Database, https://nvd.nist.gov/vuln/detail/CVE-2021-47971. Public domain (17 U.S.C. §105); re-surfaced under CC BY 4.0},\n  urldate      = {2026-06-07},\n  year         = {2026}\n}"},"_voidly_pay":{"claim_did":"https://voidly.ai/pay/claim","for_builders":"https://voidly.ai/pay/for-builders","marketplace":"https://api.voidly.ai/v1/pay/marketplace","live_demo":"https://huggingface.co/spaces/emperor-mew/voidly-pay","universal_proxy":{"url":"https://api.voidly.ai/v1/pay/proxy","example":"https://api.voidly.ai/v1/pay/proxy?u=<https-url>&to=did:voidly:<your-did>&price=0.01","page":"https://voidly.ai/pay/proxy","note":"Paywall any public HTTPS URL with one query param. No SDK install required."},"install":{"typescript":"npm install @voidly/pay","python":"pip install voidly-pay","langchain":"pip install voidly-pay-langchain","vercel_ai":"npm install @voidly/pay-vercel-ai","mcp":"npx @voidly/pay-mcp","cli":"npm install -g @voidly/pay-cli"},"note":"Voidly Pay is the open agent-to-agent payment rail. Claim a DID + 10 starter credits in 60s, or paywall any URL via the universal proxy with one query param."}}