Public vulnerability disclosure
CVE-2025-32049
Libsoup: denial of service attack to websocket server
publishedCWE-770
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).
Technical severity7.5 highCVSS 3.1 · CNA: redhat
Published2025-04-03Source updated 2026-11-05
Collected2026-11-053 attributed sources
Fixes and workarounds
Workaround
No mitigation is currently available for this vulnerability.
Source: CNA: redhatAffected products and versions
| Product | Versions | Authority |
|---|---|---|
libsoup
https://gitlab.gnome.org/GNOME/libsoup/ |
≥ 0; ≤ 3.6.4 (affected, semver)
Other versions: unknown |
CNA: redhat |
| Red Hat Enterprise Linux 10 Red Hat libsoup3
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:3.6.5-3.el10_0.6; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 7 Extended Lifecycle Support Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.62.2-9.el7_9; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8 Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.62.3-9.el8_10; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.2 Advanced Update Support Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.62.3-1.el8_2.5; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.62.3-2.el8_4.5; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.62.3-2.el8_6.5; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.6 Telecommunications Update Service Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.62.3-2.el8_6.5; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.62.3-2.el8_6.5; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8.8 Extended Update Support Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.62.3-3.el8_8.5; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9 Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.72.0-10.el9_6.2; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.72.0-8.el9_0.5; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9.2 Extended Update Support Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.72.0-8.el9_2.5; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9.4 Extended Update Support Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:2.72.0-8.el9_4.5; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 6 Red Hat libsoup
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: unknown |
CNA: redhat |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 7.5 high |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | CNA: redhat |
| 3.1 / 7.5 high |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD: [email protected] |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://access.redhat.com/errata/RHSA-2025:21657CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:8126CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:8128CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:8132CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:8139CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:8140CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:8252CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:8480CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:8481CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:8482CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2025:8663CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-32049CNA: redhat · vdb-entry, x_refsource_REDHAT
- https://bugzilla.redhat.com/show_bug.cgi?id=2357066CNA: redhat · issue-tracking, x_refsource_REDHAT
- https://gitlab.gnome.org/GNOME/libsoup/-/issues/390CNA: redhat
- https://gitlab.gnome.org/GNOME/libsoup/-/merge_requests/408CNA: redhat
- https://access.redhat.com/errata/RHSA-2025:21657[email protected]
- https://access.redhat.com/errata/RHSA-2025:8126[email protected]
- https://access.redhat.com/errata/RHSA-2025:8128[email protected]
- https://access.redhat.com/errata/RHSA-2025:8132[email protected]
- https://access.redhat.com/errata/RHSA-2025:8139[email protected]
- https://access.redhat.com/errata/RHSA-2025:8140[email protected]
- https://access.redhat.com/errata/RHSA-2025:8252[email protected]
- https://access.redhat.com/errata/RHSA-2025:8480[email protected]
- https://access.redhat.com/errata/RHSA-2025:8481[email protected]
- https://access.redhat.com/errata/RHSA-2025:8482[email protected]
- https://access.redhat.com/errata/RHSA-2025:8663[email protected]
- https://access.redhat.com/security/cve/CVE-2025-32049[email protected]
- https://bugzilla.redhat.com/show_bug.cgi?id=2357066[email protected]
- https://gitlab.gnome.org/GNOME/libsoup/-/issues/390[email protected]
- https://gitlab.gnome.org/GNOME/libsoup/-/merge_requests/408[email protected]
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