RLSA-2026:98560: Security update for 5 packages

RLSA-2026:98560, released November 14, 2026, fixes 9 CVEs across 5 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.6

Base score, 0 to 10

Highest EPSS

0.0096

62nd percentile

Priority of the 9 CVEs

Patch now 0
                                Urgent 0
                                High 9
                                Routine 0

Fixed package versions

Product	Release	Fixed in
libsoup3	rocky 10	0:3.6.6-1.el10_3.9
libsoup3-debuginfo	rocky 10	0:3.6.6-1.el10_3.9
libsoup3-debugsource	rocky 10	0:3.6.6-1.el10_3.9
libsoup3-devel	rocky 10	0:3.6.6-1.el10_3.9
libsoup3-doc	rocky 10	0:3.6.6-1.el10_3.9

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-15709	Soupwebsocketextensiondeflate: libsoup: libsoup: websocket permessage-deflate unbounded decompression remote denial of service	8.6	0.0096	None reported
High	CVE-2026-15711	Libsoup: soupwebsocketconnection: libsoup: websocket remote denial of service via oversized control frame protocol violation	8.6	0.0075	None reported
High	CVE-2026-102559	Libsoup: libsoup: heap buffer overflow during websocket client-frame masking	8.6	0.0063	None reported
High	CVE-2026-102560	Libsoup: libsoup: heap buffer overflow during outgoing permessage-deflate buffer growth	8.6	0.0061	None reported
High	CVE-2026-102558	Libsoup: libsoup: heap buffer overflow during websocket receive-buffer growth	8.6	0.0060	None reported
High	CVE-2026-102555	Libsoup: libsoup: heap buffer overflow via uninitialized length in data-uri base64 decoding	8.6	0.0048	None reported
High	CVE-2026-102556	Libsoup: libsoup: heap buffer overflow from websocket pong signal type confusion	8.6	0.0047	None reported
High	CVE-2026-102557	Libsoup: libsoup: heap buffer overflow during websocket message reassembly	8.6	0.0047	None reported
High	CVE-2026-85197	Libsoup: libsoup: heap use-after-free in libsoup http/2 client on_data_read() via goaway during body upload	8.6	0.0034	None reported

Also fixes CVE-2026-15709

RLSA-2026:98453
libsoup, libsoup-debuginfo, libsoup-debugsource and 1 more on rocky 9
RHSA-2026:98453
libsoup, libsoup-devel on RHEL 9
ELSA-2026-68235
libsoup3, libsoup3-devel, libsoup3-doc on ol 10
ALSA-2026:68235
libsoup3, libsoup3-devel, libsoup3-doc on almalinux 10.0
ALSA-2026:68234
libsoup, libsoup-devel on almalinux 9.0
ELSA-2026-68234
libsoup, libsoup-devel on ol 9
ALAS2023-2026-2159
libsoup3, libsoup3-debuginfo, libsoup3-debugsource and 2 more on amzn 2023
ALAS2023-2026-2160
libsoup, libsoup-debuginfo, libsoup-debugsource and 2 more on amzn 2023

Vendor advisory

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

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