CVE-2021-29964

Katalog CVE

CVSS 7.1 · High EPSS 0,82%

Kerentanan Out-of-bounds Read pada mozilla firefox, mozilla firefox esr +1 lainnya. Skor CVSS 3.1 7.1 (High) menurut NVD.

Deskripsi (NVD)

A locally-installed hostile program could send `WM_COPYDATA` messages that Firefox would process incorrectly, leading to an out-of-bounds read. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.

Rincian

Terbit di NVD

24 Juni 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-125: Out-of-bounds Read

EPSS (30 hari)

0,82% peluang dieksploitasi; lebih tinggi dari 55,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1706501 permissions required · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-23/ release notes · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-24/ release notes · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-26/ release notes · advisory vendor