CVE-2019-17026

Katalog CVE

CVSS 8.8 · High KEV · sudah dieksploitasi EPSS 46,3%

Kerentanan Access of Resource Using Incompatible Type ('Type Confusion') pada mozilla firefox, mozilla thunderbird +1 lainnya. Skor CVSS 3.1 8.8 (High) menurut NVD. Masuk katalog KEV CISA pada 3 November 2021, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 68.4.1, Thunderbird < 68.4.1, and Firefox < 72.0.1.

Rincian

Terbit di NVD

2 Maret 2020

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

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-843: Access of Resource Using Incompatible Type ('Type Confusion')

EPSS (30 hari)

46,3% peluang dieksploitasi; lebih tinggi dari 98,7% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Mozilla Firefox And Thunderbird Type Confusion Vulnerability

Masuk KEV

3 November 2021

Tenggat CISA

3 Mei 2022 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply updates per vendor instructions.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mozilla.org/security/advisories/mfsa2020-03/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2020-04/ advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-17026 pemerintah AS
• http://packetstormsecurity.com/files/162568/Firefox-72-IonMonkey-JIT-Type-Confusion.html exploit · advisory pihak ketiga · vdb entry
• https://security.gentoo.org/glsa/202003-02 advisory pihak ketiga
• https://usn.ubuntu.com/4335-1/ advisory pihak ketiga
• https://bugzilla.mozilla.org/show_bug.cgi?id=1607443 issue tracking