by Kastro CVE-2026-102560
Red Hat Red Hat Enterprise Linux 10 — Libsoup: libsoup: heap buffer overflow during outgoing permessage-deflate buffer growth
Description · from the CVE record
A flaw was found in libsoup. When the permessage-deflate WebSocket extension compresses a very large outgoing message, truncated size calculations used for GByteArray growth could wrap, causing zlib to write past the allocated buffer and resulting in a heap buffer overflow.
Affected
ProductAffectedFixed inSource
Red Hat Enterprise Linux 10see advisory0:3.6.5-3.el10_2.20CNA
Red Hat Enterprise Linux 9see advisory0:2.72.0-16.el9_8.8CNA
Red Hat Enterprise Linux 6see advisory–CNA
Red Hat Enterprise Linux 7see advisory–CNA
Red Hat Enterprise Linux 8see advisory–CNA
Scores by source
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
redhat (CNA)8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial