FEDORA-2026-FCE2F41203: Security update for 9 packages

FEDORA-2026-FCE2F41203, released September 5, 2026, fixes 9 CVEs across 9 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

9.0

Base score, 0 to 10

Highest EPSS

0.0088

59th percentile

Priority of the 9 CVEs

Patch now 0
                                Urgent 0
                                High 3
                                Routine 6

Fixed package versions

Product	Release	Fixed in
libsoup3	Fedora 43	3.6.6-5.fc43
libsoup3-debuginfo	Fedora 43	3.6.6-5.fc43
libsoup3-debugsource	Fedora 43	3.6.6-5.fc43
libsoup3-devel	Fedora 43	3.6.6-5.fc43
libsoup3-doc	Fedora 43	3.6.6-5.fc43
mingw32-libsoup3	Fedora 43	3.6.6-5.fc43
mingw32-libsoup3-debuginfo	Fedora 43	3.6.6-5.fc43
mingw64-libsoup3	Fedora 43	3.6.6-5.fc43
mingw64-libsoup3-debuginfo	Fedora 43	3.6.6-5.fc43

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	7.5	0.0088	None reported
High	CVE-2026-15711	Libsoup: soupwebsocketconnection: libsoup: websocket remote denial of service via oversized control frame protocol violation	7.5	0.0075	None reported
High	CVE-2025-32907	gir1.2-soup-2.4: A flaw was found in libsoup	9.0	0.0071	None reported
Routine	CVE-2026-15712	Soupclientmessageiohttp2: libsoup3: libsoup: http/2 goaway frame parsing heap buffer over-read via invalid nul-termination assumption	5.9	0.0063	None reported
Routine	CVE-2026-77680	gir1.2-soup-2.4: An algorithmic complexity flaw exists in libsoup's HTTP Range header processing that persists after the CVE-2025-3290...	n/a	0.0050	None reported
Routine	CVE-2026-15714	Libsoup: soupmultipartinputstream: libsoup: out-of-bounds read in soup_multipart_input_stream_read_headers via an oversized multipart boundary string	6.5	0.0039	None reported
Routine	CVE-2026-12549	libsoup3: The fix for CVE-2026-2443 was regressed by a subsequent rework commit that replaced specific overflow checks with a g...	4.8	0.0036	None reported
Routine	CVE-2026-15713	Libsoup: soupcache: libsoup: http/2 frame window exhaustion remote denial of service via memory leak	5.9	0.0035	None reported
Routine	CVE-2026-77014	Libsoup: libsoup: integer truncation in sort_ranges() comparator causes silent omission of http range responses	5.3	0.0023	None reported

Also fixes CVE-2026-15709

ELSA-2026-68235
libsoup3, libsoup3-devel, libsoup3-doc on ol 10
ALSA-2026:68235
libsoup3, libsoup3-devel, libsoup3-doc on almalinux 10
RHSA-2026:68234
libsoup, libsoup-devel on RHEL 9
RLSA-2026:68234
libsoup on rocky 9
ALSA-2026:68234
libsoup, libsoup-devel on almalinux 9
ELSA-2026-68234
libsoup, libsoup-devel on ol 9
RHSA-2026:71389
libsoup3 on RHEL 10
ALAS2023-2026-2159
libsoup3, libsoup3-debuginfo, libsoup3-debugsource and 2 more on amzn 2023

Vendor advisory

https://bodhi.fedoraproject.org/updates/FEDORA-2026-fce2f41203

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