CVE-2021-29955

Katalog CVE

CVSS 5.3 · Medium EPSS 1,5%

Kerentanan Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') pada mozilla firefox, mozilla firefox esr. Skor CVSS 3.1 5.3 (Medium) menurut NVD.

Deskripsi (NVD)

A transient execution vulnerability, named Floating Point Value Injection (FPVI) allowed an attacker to leak arbitrary memory addresses and may have also enabled JIT type confusion attacks. (A related vulnerability, Speculative Code Store Bypass (SCSB), did not affect Firefox.). This vulnerability affects Firefox ESR < 78.9 and Firefox < 87.

Rincian

Terbit di NVD

24 Juni 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

EPSS (30 hari)

1,5% peluang dieksploitasi; lebih tinggi dari 73,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1692972 permissions required · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-10/ release notes · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-11/ release notes · advisory vendor