medium4.3
CVE-2021-23953
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 c…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 85.0 |
| Mozilla | Firefox Esr | before 78.7 |
| Mozilla | Thunderbird | before 78.7 |
References
- NVD record
- CVE.org record
- https://bugzilla.mozilla.org/show_bug.cgi?id=1683940
- https://www.mozilla.org/security/advisories/mfsa2021-03/
- https://www.mozilla.org/security/advisories/mfsa2021-04/
- https://www.mozilla.org/security/advisories/mfsa2021-05/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1683940
- https://www.mozilla.org/security/advisories/mfsa2021-03/
- https://www.mozilla.org/security/advisories/mfsa2021-04/
- https://www.mozilla.org/security/advisories/mfsa2021-05/