RockyLinux 10 : libsoup3 (RLSA-2026:98560)

critical Nessus Plugin ID 380453

Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:98560 advisory.

* SoupWebsocketExtensionDeflate: libsoup: libsoup: WebSocket permessage-deflate Unbounded Decompression Remote Denial of Service (CVE-2026-15709)

* libsoup: SoupWebsocketConnection: libsoup: WebSocket remote denial of service via oversized control frame protocol violation (CVE-2026-15711)

* libsoup: libsoup: Heap use-after-free in libsoup HTTP/2 client on_data_read() via GOAWAY during body upload (CVE-2026-85197)

* libsoup: libsoup: Heap buffer overflow via uninitialized length in data-URI base64 decoding (CVE-2026-102555)

* 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)

* libsoup: libsoup: Heap buffer overflow during outgoing permessage-deflate buffer growth (CVE-2026-102560)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=2499922

https://bugzilla.redhat.com/show_bug.cgi?id=2499924

https://bugzilla.redhat.com/show_bug.cgi?id=2528425

https://bugzilla.redhat.com/show_bug.cgi?id=2543224

https://bugzilla.redhat.com/show_bug.cgi?id=2543229

https://bugzilla.redhat.com/show_bug.cgi?id=2543231

https://bugzilla.redhat.com/show_bug.cgi?id=2543274

https://bugzilla.redhat.com/show_bug.cgi?id=2543285

https://bugzilla.redhat.com/show_bug.cgi?id=2543296

https://errata.rockylinux.org/RLSA-2026:98560

Plugin Details

Severity: Critical

ID: 380453

File Name: rocky_linux_RLSA-2026-98560.nasl

Version: 1.1

Type: Local

Published: 11/13/2026

Updated: 11/13/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

Percentile: 96.19

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-102560

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:rocky:linux:10, p-cpe:/a:rocky:linux:libsoup3-debuginfo, p-cpe:/a:rocky:linux:libsoup3-debugsource, p-cpe:/a:rocky:linux:libsoup3-devel, p-cpe:/a:rocky:linux:libsoup3-doc, p-cpe:/a:rocky:linux:libsoup3

Required KB Items: Host/local_checks_enabled, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 11/13/2026

Vulnerability Publication Date: 7/14/2026

Reference Information

CVE: CVE-2026-102555, CVE-2026-102556, CVE-2026-102557, CVE-2026-102558, CVE-2026-102559, CVE-2026-102560, CVE-2026-15709, CVE-2026-15711, CVE-2026-85197