ALAS2023-2026-3212: Security update for 5 packages

ALAS2023-2026-3212, released November 7, 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

0.0063

50th percentile

Priority of the 9 CVEs

Patch now 0
                                Urgent 0
                                High 7
                                Routine 2

Fixed package versions

Product	Release	Fixed in
libsoup	amzn 2023	2.72.0-6.amzn2023.0.16
libsoup-debuginfo	amzn 2023	2.72.0-6.amzn2023.0.16
libsoup-debugsource	amzn 2023	2.72.0-6.amzn2023.0.16
libsoup-devel	amzn 2023	2.72.0-6.amzn2023.0.16
libsoup-doc	amzn 2023	2.72.0-6.amzn2023.0.16

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-102559	Libsoup: libsoup: heap buffer overflow during websocket client-frame masking	8.6	0.0063	None reported
High	CVE-2026-102558	Libsoup: libsoup: heap buffer overflow during websocket receive-buffer growth	8.6	0.0060	None reported
High	CVE-2026-102560	Libsoup: libsoup: heap buffer overflow during outgoing permessage-deflate buffer growth	8.6	0.0052	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-2026-66338	libsoup: A flaw was found in libsoup	n/a	0.0029	None reported
High	CVE-2026-66337	libsoup: A flaw was found in libsoup	n/a	0.0025	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-2026-103399	Libsoup: soupserver: http/1 request smuggling via undrained expect: 100-continue body	5.3	0.0025	None reported

Also fixes CVE-2026-102559

SUSE-SU-2026:4703-1
libsoup2 on sles 15.6, sles 15.7
OPENSUSE-SU-2026:22181-1
libsoup on opensuse-leap 16.0
SUSE-SU-2026:24470-1
libsoup on sles 16.0
gir1.2-soup-3.0 3.0.7-0ubuntu1+esm10
gir1.2-soup-3.0 on Ubuntu 22.04.1 LTS (jammy)
gir1.2-soup-3.0 3.4.4-5ubuntu0.10
gir1.2-soup-3.0 on Ubuntu 24.04.5 LTS (noble)
gir1.2-soup-3.0 3.6.6-1ubuntu0.2
gir1.2-soup-3.0 on Ubuntu 26.04.1 LTS (resolute)
libsoup-3.0-0 3.0.7-0ubuntu1+esm10
libsoup-3.0-0 on Ubuntu 22.04.1 LTS (jammy)
libsoup-3.0-0 3.4.4-5ubuntu0.10
libsoup-3.0-0 on Ubuntu 24.04.5 LTS (noble)

Vendor advisory

https://alas.aws.amazon.com/AL2023/ALAS-2026-3212.html

For tools and AI agents

This page as data: JSON · Markdown

Link to this page

If this page saved you time, a link to it in your ticket, advisory or write-up helps others find it.

HTML

<a href="https://patchblox.com/security/fix/linux/alas2023-2026-3212">ALAS2023-2026-3212 on Patchblox Patch Radar</a>

Reusing the data? How to credit Patch Radar.

Which servers are still behind?

Patchblox compares the installed package on every Linux machine against the fixed version for its release, including machines reported through Azure Update Manager.

Get a demo

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.