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CVE Record

CVE-2019-20093: The PoDoFo::PdfVariant::DelayedLoad function in PdfVariant.h in PoDoFo 0.9.6 allows remote attackers to cau...

The PoDoFo::PdfVariant::DelayedLoad function in PdfVariant.h in PoDoFo 0.9.6 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted file, because of ImageExtractor.cpp.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2019-20093 is a denial-of-service flaw in PoDoFo 0.9.6. A specially crafted file can trigger a NULL pointer dereference during delayed PDF variant loading, potentially crashing software that processes the file. The public bundle does not provide CVSS, CWE, or complete affected-product metadata.

Executive priority

Prioritize based on business reliance on automated document processing. This is not evidenced as actively exploited, but services accepting untrusted files could be crashed. Address during normal vulnerability remediation, faster for public upload or conversion systems.

Technical view

The issue is described in PoDoFo::PdfVariant::DelayedLoad in PdfVariant.h, related to ImageExtractor.cpp. The failure mode is NULL pointer dereference from crafted input, resulting in availability impact. The source bundle names PoDoFo 0.9.6, but the structured affected list is not populated.

Likely exposure

Exposure is most likely where PoDoFo 0.9.6 or distribution packages using it process untrusted PDFs or files through image extraction workflows. Internet-facing upload, conversion, indexing, or document-processing services would be higher concern. Exact affected package versions beyond PoDoFo 0.9.6 are not provided.

Exploitation context

The CVE description says remote attackers can cause denial of service with a crafted file. The bundle does not cite active exploitation, public weaponization, CISA KEV listing, or exploit maturity. Treat exploitation status as unconfirmed.

Researcher notes

Evidence is limited to the CVE description, SourceForge issue reference, and Fedora advisories. No CVSS, CWE, fixed upstream version, or full affected matrix is included in the bundle. Avoid broad claims beyond PoDoFo 0.9.6 and availability impact.

Mitigation direction

  • Inventory applications and hosts using PoDoFo 0.9.6.
  • Apply relevant vendor or distribution updates, including Fedora advisories where applicable.
  • Check upstream PoDoFo guidance for corrected versions or workarounds.
  • Limit untrusted file processing by vulnerable PoDoFo-backed services.
  • Use process isolation and restart controls around document-processing workers.

Validation and detection

  • Confirm whether PoDoFo 0.9.6 is present in application dependencies.
  • Check operating system package advisories for PoDoFo updates.
  • Identify services that process externally supplied PDFs or files.
  • Review crash logs for NULL pointer dereferences in PoDoFo paths.
  • Verify patched packages or vendor-recommended versions are deployed.
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

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.

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CVE-2019-20093 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.