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CVE Record

CVE-2017-10672: Use-after-free in the XML-LibXML module through 2.0129 for Perl allows remote attackers to execute arbitrar...

Use-after-free in the XML-LibXML module through 2.0129 for Perl allows remote attackers to execute arbitrary code by controlling the arguments to a replaceChild call.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2017-10672 is a memory safety flaw in Perl's XML-LibXML module through 2.0129. If an attacker can influence arguments passed to replaceChild, the bug can allow arbitrary code execution. Treat exposed Perl XML-processing services as higher risk, but the supplied sources do not show active exploitation.

Executive priority

Prioritize remediation for externally reachable Perl services that process attacker-controlled XML or DOM operations. Internal-only systems still need inventory and patch planning because the described impact is arbitrary code execution.

Technical view

The issue is a use-after-free in XML-LibXML through version 2.0129, triggered through attacker-controlled replaceChild arguments. Debian published security updates in 2017. The source bundle does not provide CVSS, CWE, exact fixed upstream version, or detailed affected CPE data.

Likely exposure

Exposure is most likely in Perl applications using XML-LibXML or Debian's libxml-libxml-perl where untrusted users can influence replaceChild arguments. The provided affected-product metadata is incomplete.

Exploitation context

The CVE description says remote attackers may execute arbitrary code when they control replaceChild arguments. There is no KEV listing and no supplied source states active exploitation in the wild.

Researcher notes

Evidence is limited to the CVE description, Debian advisories, Debian LTS notice, and CPAN bug reference. No CVSS, CWE, CPE, exploit maturity, or full patch details are included in the supplied bundle.

Mitigation direction

  • Inventory XML-LibXML and libxml-libxml-perl versions across Perl services.
  • Apply Debian DSA-4042 or DLA-1171-1 updates where applicable.
  • For CPAN installs, check maintainer guidance for the fixed release.
  • Prioritize internet-facing or untrusted XML-processing applications.
  • Reduce untrusted influence over replaceChild inputs where feasible.

Validation and detection

  • Confirm whether installed XML-LibXML versions are 2.0129 or earlier.
  • Identify code paths using replaceChild with attacker-influenced data.
  • Verify Debian package updates are installed where applicable.
  • Review service exposure for public or partner-controlled XML inputs.
  • Check vendor advisories for exact fixed versions in non-Debian environments.
Prepared
Confidence
medium
Sources
5

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

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ATT&CK lookup starting points

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description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2017-10672 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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.

0CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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