VDB

DEBIAN-CVE-2021-23953

DEBIAN-CVE-2021-23953 PUBLISHED CVSS 4.300000190734863 MEDIUM

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.

Risk Scores

CVSS 3.1
4.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Affected Products

VendorProductVersions
Debian:11firefox-esr0, 0, 0
Debian:11thunderbird0, 0, 0
Debian:14thunderbird0, 0, 0
Debian:13thunderbird0, 0, 0
Debian:14firefox-esr0, 0, 0
Debian:13firefox-esr0, 0, 0
Debian:12thunderbird0, 0, 0
Debian:12firefox-esr0, 0, 0

Timeline

  • Feb 26, 2021 CVE Published
  • Apr 28, 2026 CVE Updated
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