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CVE-2021-23953

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CVSS 3.1
4.3 medium
EPSS
1%p62
Published
()
Modified
Description

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.

Vendors
mozilla
Products
firefox, firefox esr, thunderbird
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
NVD CVE.org GitHub PoCs EPSS (1.0%)

In the news

No ingested article mentions this CVE yet.