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Release libsoup3-3.6.5-3.el10_2.20 ALSA-2026:83618

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
15/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Active
Tech stack
c, linux
Domain
release, security

Research direction

This is an automated security-release announcement for the libsoup3 package on AlmaLinux, listing six CVEs (CVE-2026-102555 through CVE-2026-102560) and the affected package builds. The payload does not name a file, test or entry point to change, and no fix is described. Its scope is set by the packaging and release process, not by a code change a newcomer can make alone.

Written by the indexing model from the issue text.

Description

libsoup3 security update
Severity: Important
Description
Libsoup is an HTTP library implementation in C. It was originally part of a SOAP (Simple Object Access Protocol) implementation called Soup, but the SOAP and non-SOAP parts have now been split into separate packages. libsoup uses the Glib main loop and is designed to work well with GTK applications. This enables GNOME applications to access HTTP servers on the network in a completely asynchronous fashion, very similar to the Gtk+ programming model (a synchronous operation mode is also supported for those who want it), but the SOAP parts were removed long ago.

Security Fix(es):

  • 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)

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.

Affected packages:
libsoup3-3.6.5-3.el10_2.20.x86_64
libsoup3-devel-3.6.5-3.el10_2.20.x86_64
libsoup3-3.6.5-3.el10_2.20.s390x
libsoup3-devel-3.6.5-3.el10_2.20.s390x
libsoup3-3.6.5-3.el10_2.20.ppc64le
libsoup3-devel-3.6.5-3.el10_2.20.ppc64le
libsoup3-3.6.5-3.el10_2.20.aarch64
libsoup3-devel-3.6.5-3.el10_2.20.aarch64
libsoup3-doc-3.6.5-3.el10_2.20.noarch
libsoup3-doc-3.6.5-3.el10_2.20.noarch
libsoup3-doc-3.6.5-3.el10_2.20.noarch
libsoup3-doc-3.6.5-3.el10_2.20.noarch
libsoup3-3.6.5-3.el10_2.20.x86_64_v2
libsoup3-devel-3.6.5-3.el10_2.20.x86_64_v2
libsoup3-doc-3.6.5-3.el10_2.20.noarch

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