CVE-2026-102558

8.6 Élevée

Publiée le 29/09/2026 à 20:17 · Modifiée le 19/10/2026 à 07:17 · Modifiée · Source : secalert@redhat.com

Description

A flaw was found in libsoup. When max-incoming-payload-size is unlimited (0), SoupWebsocketConnection could grow its incoming GByteArray based on an attacker-controlled frame length until the length wrapped, causing a heap buffer overflow while reading frame data.

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Produits concernés

Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Gnome libsoup
Redhat enterprise linux

Scores CVSS

Version	Score	Source	Vecteur
3.1	8.6 Élevée	secalert@redhat.com	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H`

Faiblesses (CWE)

CWE-125

Références

https://access.redhat.com/errata/RHSA-2026:83384 Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:83618
https://access.redhat.com/errata/RHSA-2026:84586
https://access.redhat.com/security/cve/CVE-2026-102558 MitigationVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2543274 Issue TrackingVendor Advisory

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories