CVE-2026-4271

Katalog CVE

CVSS 7.5 · High EPSS 0,83%

Kerentanan Use After Free pada gnome libsoup, redhat enterprise linux. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

A flaw was found in libsoup, a library for handling HTTP requests. This vulnerability, known as a Use-After-Free, occurs in the HTTP/2 server implementation. A remote attacker can exploit this by sending specially crafted HTTP/2 requests that cause authentication failures. This can lead to the application attempting to access memory that has already been freed, potentially causing application instability or crashes, resulting in a Denial of Service (DoS).

Rincian

Terbit di NVD

17 Maret 2026

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-416: Use After Free

EPSS (30 hari)

0,83% peluang dieksploitasi; lebih tinggi dari 56,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://access.redhat.com/security/cve/CVE-2026-4271 advisory vendor
• https://bugzilla.redhat.com/show_bug.cgi?id=2448044 issue tracking · advisory vendor
• https://gitlab.gnome.org/GNOME/libsoup/-/issues/496 exploit · issue tracking · advisory vendor
• https://access.redhat.com/errata/RHSA-2026:15968
• https://access.redhat.com/errata/RHSA-2026:17482
• https://access.redhat.com/errata/RHSA-2026:19143