CVE-2021-29946

Katalog CVE

CVSS 8.8 · High EPSS 1,3%

Kerentanan Integer Overflow or Wraparound pada mozilla firefox, mozilla firefox esr +1 lainnya. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header. 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

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

Jenis kelemahan (CWE)

CWE-190: Integer Overflow or Wraparound

EPSS (30 hari)

1,3% peluang dieksploitasi; lebih tinggi dari 69,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1698503 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