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Back to active CVEs
Medium · CVSS 6.5CVE-2025-32052

Libsoup: heap buffer overflow in sniff_unknown()CVE-2025-32052

Answer in brief

CVE-2025-32052 records a Medium severity (CVSS 6.5) vulnerability in Libsoup: heap buffer overflow in sniff_unknown(). 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 Jun 30, 2026Source checked Nov 3, 2026First seen by HOL Jun 25, 2026Material review Jun 30, 2026
Upstream Advisory

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-126
Source
CVE List V5
Source checked
Nov 3, 2026
References
10 linked sources
Open source record

Key facts

Risk
Medium · CVSS 6.5
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 6.5. 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 <3.6.13.6.1

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

    Jun 30, 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 referencebugzilla.redhat.com
  • Source referencegitlab.gnome.org
  • Source referencelists.debian.org
Upstream source description

A flaw was found in libsoup. A vulnerability in the sniff_unknown() function may lead to heap buffer over-read.

Quoted source text, attributed separately from HOL analysis.