RLSA-2026:84586

Source
https://errata.rockylinux.org/RLSA-2026:84586
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:84586.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:84586
Upstream
CVE (4)
Published
2026-10-20T12:01:08Z
Modified
2026-10-20T12:15:39Z
Severity
  • 8.6 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H CVSS Calculator
Summary
Important: libsoup security update
Details

The libsoup packages provide an HTTP client and server library for GNOME.

Security Fix(es):

  • libsoup: libsoup: Heap buffer overflow from WebSocket Pong signal type confusion (CVE-2026-102556)

  • libsoup: libsoup: Heap buffer overflow during WebSocket message reassembly (CVE-2026-102557)

  • libsoup: libsoup: Heap buffer overflow during WebSocket receive-buffer growth (CVE-2026-102558)

  • libsoup: libsoup: Heap buffer overflow during WebSocket client-frame masking (CVE-2026-102559)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Database specific
{
    "license":  "CC-BY-4.0",
    "license_url":  "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory":  "RHSA-2026:84586"
}
References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:8 / libsoup

Package

Name
libsoup
Purl
pkg:rpm/rocky-linux/libsoup?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.62.3-19.el8_10
Database specific
Show details
{
    "yum_repository":  "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:84586.json"