CVE-2021-29989

Katalog CVE

CVSS 8.8 · High EPSS 1,3%

Kerentanan Out-of-bounds Write pada mozilla firefox, mozilla firefox esr +1 lainnya. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.13, Firefox ESR < 78.13, and Firefox < 91.

Rincian

Terbit di NVD

17 Agustus 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-787: Out-of-bounds Write

EPSS (30 hari)

1,3% peluang dieksploitasi; lebih tinggi dari 69,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1662676%2C1666184%2C1719178%2C1719998%2C1720568 advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-33/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-34/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-35/ advisory vendor
• https://security.gentoo.org/glsa/202202-03 advisory pihak ketiga
• https://security.gentoo.org/glsa/202208-14 advisory pihak ketiga