CVE-2025-32049

Libsoup: denial of service attack to websocket server

State: Published
Severity: 7.5 High
Published: Apr 3, 2025
Updated: Jun 30, 2026
Reserved: Apr 3, 2025

Description

A flaw was found in libsoup. The SoupWebsocketConnection may accept a large WebSocket message, which may cause libsoup to allocate memory and lead to a denial of service (DoS).

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	redhat

Weaknesses

CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
libsoup	3.6.4 and earlierAffected
Red Hat Enterprise Linux 10Red Hat	0:3.6.5-3.el10_0.6 and laterNot affected
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat	0:2.62.2-9.el7_9 and laterNot affected
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat	0:2.62.2-6.el7_9 and laterNot affected
Red Hat Enterprise Linux 8Red Hat	0:2.62.3-9.el8_10 and laterNot affected
Red Hat Enterprise Linux 8Red Hat	0:2.62.3-9.el8_10 and laterNot affected
Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat	0:2.62.3-1.el8_2.5 and laterNot affected
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat	0:2.62.3-2.el8_4.5 and laterNot affected
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat	0:2.62.3-2.el8_6.5 and laterNot affected
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat	0:2.62.3-2.el8_6.5 and laterNot affected
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat	0:2.62.3-2.el8_6.5 and laterNot affected
Red Hat Enterprise Linux 8.8 Extended Update SupportRed Hat	0:2.62.3-3.el8_8.5 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:2.72.0-10.el9_6.2 and laterNot affected
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat	0:2.72.0-8.el9_0.5 and laterNot affected
Red Hat Enterprise Linux 9.2 Extended Update SupportRed Hat	0:2.72.0-8.el9_2.5 and laterNot affected
Red Hat Enterprise Linux 9.4 Extended Update SupportRed Hat	0:2.72.0-8.el9_4.5 and laterNot affected
Red Hat Enterprise Linux 6Red Hat

References

RHSA-2025:21657vendor-advisory
RHSA-2025:8126vendor-advisory
RHSA-2025:8128vendor-advisory
RHSA-2025:8132vendor-advisory
RHSA-2025:8139vendor-advisory
RHSA-2025:8140vendor-advisory
RHSA-2025:8252vendor-advisory
RHSA-2025:8480vendor-advisory
RHSA-2025:8481vendor-advisory
RHSA-2025:8482vendor-advisory
RHSA-2025:8663vendor-advisory
RHSA-2025:9179vendor-advisory
https://access.redhat.com/security/cve/CVE-2025-32049vdb-entry
RHBZ#2357066issue-tracking
https://gitlab.gnome.org/GNOME/libsoup/-/issues/390
https://gitlab.gnome.org/GNOME/libsoup/-/merge_requests/408

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