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  4. CVE 2026 105747 docling mets gbs archive member limit enforced
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Back to active CVEs
Medium · CVSS 4.3CVE-2026-105747

Docling: METS-GBS archive member limit enforced after full member enumeration (memory exhaustion during format detection)CVE-2026-105747

Answer in brief

CVE-2026-105747 records a Medium severity (CVSS 4.3) vulnerability in Docling: METS-GBS archive member limit enforced after full member enumeration (memory exhaustion during format detection). The current sources do not mark it as known exploited. The current feed maps docling-project/docling (generic), docling-project/docling-slim (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 Oct 5, 2026Updated Oct 5, 2026Source checked Oct 5, 2026First seen by HOL Oct 5, 2026Material review Oct 5, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.3
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 4.3. 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 docling-project/docling (generic), docling-project/docling-slim (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
docling-project/doclinggeneric>=2.45.0 <2.131.02.131.0
docling-project/docling-slimgeneric>=2.45.0 <2.131.02.131.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for docling-project/docling, docling-project/docling-slim.
  2. 2Review the reported fix. Update docling-project/docling to 2.131.0; docling-project/docling-slim to 2.131.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 5, 2026

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

  2. Source modified

    Oct 5, 2026

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

  3. First seen by HOL

    Oct 5, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source description

Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.45.0 until 2.131.0, METS-GBS format detection in docling/datamodel/document.py and the backend in docling/backend/mets_gbs_backend.py call tarfile.TarFile.getmembers() before enforcing the max_member_count limit, causing the full archive member list to be allocated before the limit can stop processing. A small gzip-compressed tar archive with a very large number of empty members can therefore consume memory proportional to the declared member count, including during format detection before the allowed_formats restriction is applied. This issue is a residual weakness in the member-count protection added for CVE-2026-44018. This issue is fixed in 2.131.0.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Docling: Configured HTTP headers sent to every remote image host named by a documentSame docling-project/docling package
  • Docling: SSRF guard bypass in remote resource fetching (DNS rebinding / multi-record resolution; no IP validation in HTML render mode)Same docling-project/docling package
  • Docling: Arbitrary file read/write (and command execution when shell-escape is enabled) when rendering untrusted TikZ with the opt-in Tectonic engineSame docling-project/docling package
  • Docling: Plugin entry points are imported before the allow_external_plugins checkSame docling-project/docling package
  • Docling: KServe v2 OCR engine does not enforce enable_remote_servicesSame docling-project/docling package
  • Docling: Crafted DoclingDocument JSON embeds local image files into converted outputSame docling-project/docling package

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-409, CWE-770
Source
CVE List V5
Source checked
Oct 5, 2026
References
4 linked sources
Open source record