CVE-2021-29945

Katalog CVE

CVSS 6.5 · Medium EPSS 1,2%

Kerentanan Incorrect Calculation pada mozilla firefox, mozilla firefox esr +1 lainnya. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. *Note: This issue only affected x86-32 platforms. Other platforms are unaffected.*. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Rincian

Terbit di NVD

24 Juni 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-682: Incorrect Calculation

EPSS (30 hari)

1,2% peluang dieksploitasi; lebih tinggi dari 67,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1700690 issue tracking · permissions required · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-14/ release notes · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-15/ release notes · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-16/ release notes · advisory vendor