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  4. CVE 2025 32049 libsoup denial of service attack to websocket
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Back to active CVEs
High · CVSS 7.5CVE-2025-32049

Libsoup: denial of service attack to websocket serverCVE-2025-32049

Answer in brief

CVE-2025-32049 records a High severity (CVSS 7.5) vulnerability in Libsoup: denial of service attack to websocket server. The current sources do not mark it as known exploited. The current feed maps libsoup (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Apr 3, 2025Updated Nov 1, 2026Source checked Nov 4, 2026First seen by HOL Jun 25, 2026Material review Nov 1, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.5
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps libsoup (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
libsoupgeneric>=0 <=3.6.4Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for libsoup.
  2. 2Review the reported fix. Source-reported workaround: No mitigation is currently available for this vulnerability.

Evidence timeline and material changes

  1. Published upstream

    Apr 3, 2025

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Jun 25, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referenceaccess.redhat.com
  • Source referenceaccess.redhat.com
  • Source referenceaccess.redhat.com
  • Source referenceaccess.redhat.com
  • Source referenceaccess.redhat.com
  • Source referenceaccess.redhat.com
  • Source referenceaccess.redhat.com
  • Source referenceaccess.redhat.com
  • Source referenceaccess.redhat.com
  • Source referenceaccess.redhat.com
  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
  • Source referencegitlab.gnome.org
  • Source referencegitlab.gnome.org
  • Source referenceaccess.redhat.com
Upstream source 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).

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Apache ZooKeeper: Denial of service through unbounded memory allocation in multiRead request handlingAlso CWE-770
  • Apache ZooKeeper: Unbounded recursion in snapshot serialization allows a client to render the server unrecoverableAlso CWE-770
  • Unbounded query cache growth from interpolated JSON paths and splice lists in EctoAlso CWE-770

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-770
Source
CVE List V5
Source checked
Nov 4, 2026
References
16 linked sources
Open source record