CVE-2021-23953

Katalog CVE

CVSS 4.3 · Medium EPSS 1,1%

Kerentanan pada mozilla firefox, mozilla firefox esr +1 lainnya. Skor CVSS 3.1 4.3 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

26 Februari 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

4.3 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N · uraikan di kalkulator

EPSS (30 hari)

1,1% peluang dieksploitasi; lebih tinggi dari 63,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1683940 issue tracking · permissions required · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-03/ release notes · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-04/ release notes · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-05/ release notes · advisory vendor