CVE-2021-21779

Katalog CVE

CVSS 8.8 · High EPSS 2,9%

Kerentanan Use After Free pada webkitgtk, fedoraproject fedora +1 lainnya. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

A use-after-free vulnerability exists in the way Webkit’s GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.

Rincian

Terbit di NVD

8 Juli 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-416: Use After Free

EPSS (30 hari)

2,9% peluang dieksploitasi; lebih tinggi dari 86,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1238 exploit · advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-4945 advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2021/07/23/1 mailing list
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDL...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3U...