CVE-2021-23953
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-23953
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-23953.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-23953
- Downstream
- Related
- Published
- 2021-02-26T03:15:13Z
- Modified
- 2025-08-09T20:01:26Z
- Severity
-
- 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N CVSS Calculator
- Summary
- [none]
- Details
-
If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
- References