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CVE Record

CVE-2025-10911: Libxslt: use-after-free with key data stored cross-rvt

A use-after-free vulnerability was found in libxslt while parsing xsl nodes that may lead to the dereference of expired pointers and application crash.

MediumCVSS 5.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2025-10911 is a libxslt memory-safety flaw that can crash an application while parsing XSL nodes. Business impact is mainly service disruption, not data theft, based on current scoring. It requires user interaction and is not listed as known exploited in CISA KEV.

Executive priority

Treat as routine but timely patching. Elevate priority for systems where application availability is critical or where untrusted documents are transformed with libxslt. Current evidence supports moderate urgency, not emergency response.

Technical view

Red Hat describes a use-after-free in libxslt involving key data stored cross-rvt, leading to dereferencing expired pointers and application crash. CVSS 3.1 is 5.5: local attack vector, low complexity, no privileges, user interaction required, high availability impact, no confidentiality or integrity impact.

Likely exposure

Exposure is most relevant on affected Red Hat platforms and products carrying libxslt, including listed RHEL 6, 7, 8, 9, 10 variants, OpenShift Container Platform 4 rhcos, Red Hat Discovery 2, and Red Hat Hardened Images. Risk depends on whether local workflows or applications parse XSL content.

Exploitation context

The provided sources do not show active exploitation, and KEV is false. The documented impact is application crash from malformed parsing conditions. Because CVSS requires local access and user interaction, internet-wide urgency appears lower unless untrusted XSL processing is exposed through business applications.

Researcher notes

Evidence is limited to vendor CVE metadata, Red Hat advisories, Bugzilla, and upstream GNOME issue/MR references. The bundle does not provide exploit details, a public proof-of-concept status, or complete cross-distribution impact. Avoid assuming remote exploitability beyond the stated CVSS vector.

Mitigation direction

  • Apply the relevant Red Hat security errata for affected supported platforms.
  • Prioritize systems where libxslt processes user-supplied or partner-supplied XSL/XML content.
  • For non-Red Hat builds, check GNOME/libxslt and distribution vendor guidance.
  • Reduce processing of untrusted XSL where operationally feasible until patched.

Validation and detection

  • Inventory installed libxslt packages and container images across Linux estates.
  • Map assets to the affected Red Hat products and package names listed in the CVE data.
  • Confirm applicable RHSA updates are installed through standard patch compliance tooling.
  • Identify applications that parse XSL content and assess availability impact if they crash.
  • Monitor vendor advisories for corrected package details and backport status.
Prepared
Confidence
medium
Sources
7

Public sources used

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-825: 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.

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description · low confidence lookup

Container behavior lookup

The affected technology mentions containers, so container-specific ATT&CK technique review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2025-10911 mapping review

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

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.5 (3.1)
Known Exploited
No
Published

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

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
1ADP providers
17Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical 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
5.5CVSS 3.1MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H1.83.6redhat

Vulnerability scoring details

Base CVSS 3.1 score

5.5Medium
CVSS 3.1 vector shape for CVE-2025-10911Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  3. Source timelineredhat

    Reported to Red Hat.

  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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Unknown vendorlibxsltlibxslt, 0unaffected
Red HatRed Hat Enterprise Linux 10libxslt, 0:1.1.39-8.el10_2.1affected
Red HatRed Hat Enterprise Linux 10.0 Extended Update Supportlibxslt, 0:1.1.39-8.el10_0.1affected
Red HatRed Hat Enterprise Linux 8libxslt, 0:1.1.32-6.4.el8_10affected
Red HatRed Hat Enterprise Linux 8libxslt, 0:1.1.32-6.4.el8_10affected
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportlibxslt, 0:1.1.32-8.el8_4.1affected
Red HatRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-Onlibxslt, 0:1.1.32-8.el8_4.1affected
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Supportlibxslt, 0:1.1.32-8.el8_6.1affected
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-Onlibxslt, 0:1.1.32-8.el8_6.1affected
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Servicelibxslt, 0:1.1.32-8.el8_8.1affected
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutionslibxslt, 0:1.1.32-8.el8_8.1affected
Red HatRed Hat Enterprise Linux 9libxslt, 0:1.1.34-14.el9_8.1affected
Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP Solutionslibxslt, 0:1.1.34-12.el9_2affected
Red HatRed Hat Enterprise Linux 9.4 Update Services for SAP Solutionslibxslt, 0:1.1.34-15.el9_4affected
Red HatRed Hat Enterprise Linux 9.6 Extended Update Supportlibxslt, 0:1.1.34-13.el9_6.2affected
Red HatRed Hat Discovery 2discovery/discovery-ui-rhel9, 1782756541affected
Red HatRed Hat Hardened Imageslibxslt-main, 1.1.45-0.1.hum1affected
Red HatRed Hat Enterprise Linux 6libxsltaffected
Red HatRed Hat Enterprise Linux 7libxsltaffected
Red HatRed Hat OpenShift Container Platform 4rhcosaffected
Weakness

CWE details

CWE-825

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