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CVE Record

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

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

MediumCVSS 6.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2025-32052 is a libsoup memory-read flaw that can expose limited data or cause limited disruption. It is rated medium, but it is remotely reachable under the CVSS vector and needs normal patch management attention where affected Linux packages are present.

Executive priority

Treat this as a moderate patching item, not an emergency based on current evidence. Prioritize externally exposed or untrusted-content workloads first, then complete normal maintenance updates for affected supported platforms.

Technical view

The flaw is a heap buffer over-read in libsoup's sniff_unknown() function, classified as CWE-126. CVSS 3.1 is 6.5 with network attack vector, low complexity, no privileges, no user interaction, low confidentiality impact, and low availability impact.

Likely exposure

Most exposure is on systems or applications using affected libsoup packages in Red Hat Enterprise Linux 8, 8.8 EUS, 9, 9.2 EUS, or 9.4 EUS. RHEL 10 is listed unaffected. RHEL 6 and 7 status is unknown in the supplied data.

Exploitation context

The bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates remote reachability without authentication or user interaction, but the sources do not provide exploit details or confirmed exploitation in the wild.

Researcher notes

Focus validation on package provenance and runtime use of libsoup. The source bundle identifies the vulnerable function and affected Red Hat package streams, but does not provide enough evidence to claim exploit availability, exploitation, or non-vendor mitigations.

Mitigation direction

  • Apply the relevant Red Hat security advisories for affected RHEL streams.
  • Update libsoup packages through the supported vendor package channel.
  • Check Debian LTS guidance if Debian systems use affected libsoup packages.
  • For RHEL 6 or 7, verify support status and vendor guidance directly.
  • Prioritize systems processing untrusted network content through libsoup.

Validation and detection

  • Inventory installed libsoup package names and versions across Linux assets.
  • Compare installed versions with the affected versions in Red Hat advisories.
  • Confirm applicable RHSA updates are installed on RHEL systems.
  • Review application dependency manifests for bundled or indirect libsoup usage.
  • Document RHEL 6 and 7 findings separately because status is unknown.
Prepared
Confidence
high
Sources
12

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-126: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2025-32052 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
5Timeline events
2ADP providers
11Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: partial

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L3.92.5redhat

Vulnerability scoring details

Base CVSS 3.1 score

6.5Medium
CVSS 3.1 vector shape for CVE-2025-32052Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. Source timelineredhat

    Made public.

  2. Source timelineredhat

    Reported to Red Hat.

  3. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  4. CVE publishedCVE Program

    The CVE record was published.

  5. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc
CVECVE Program Container

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Unknown vendorlibsouplibsoup, 0unaffected
Red HatRed Hat Enterprise Linux 8libsoup, 0:2.62.3-8.el8_10affected
Red HatRed Hat Enterprise Linux 8mingw-freetype, 0:2.8-3.el8_10.1affected
Red HatRed Hat Enterprise Linux 8spice-client-win, 0:8.10-1affected
Red HatRed Hat Enterprise Linux 8libsoup, 0:2.62.3-8.el8_10affected
Red HatRed Hat Enterprise Linux 8.8 Extended Update Supportlibsoup, 0:2.62.3-3.el8_8.4affected
Red HatRed Hat Enterprise Linux 9libsoup, 0:2.72.0-10.el9_6.1affected
Red HatRed Hat Enterprise Linux 9.2 Extended Update Supportlibsoup, 0:2.72.0-8.el9_2.4affected
Red HatRed Hat Enterprise Linux 9.4 Extended Update Supportlibsoup, 0:2.72.0-8.el9_4.4affected
Red HatRed Hat Enterprise Linux 10libsoup3unaffected
Red HatRed Hat Enterprise Linux 6libsoupunknown
Red HatRed Hat Enterprise Linux 7libsoupunknown
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-126 · source CWE mapping

Buffer Over-read

Buffer Over-read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.