LiveActive security incident?Get immediate response
CVE Record

CVE-2018-8107: The JPXStream::close function in JPXStream.cc in xpdf 4.00 allows attackers to launch denial of service (he...

The JPXStream::close function in JPXStream.cc in xpdf 4.00 allows attackers to launch denial of service (heap-based buffer over-read and application crash) via a specific pdf file, as demonstrated by pdftohtml.

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2018-8107 is a denial-of-service issue in Xpdf 4.00. A specially formed PDF can make affected Xpdf processing crash, as demonstrated with pdftohtml. The known impact is service interruption, not data theft or remote code execution.

Executive priority

Treat as a service reliability risk for PDF-processing systems. Prioritize internet-facing or business-critical ingestion pipelines first.

Technical view

The issue is described as a heap-based buffer over-read in JPXStream::close in JPXStream.cc in Xpdf 4.00. Triggering requires processing a specific PDF file. The provided sources do not include CVSS, CWE, affected CPEs, or patch details.

Likely exposure

Exposure is most likely where Xpdf 4.00 or its utilities process untrusted PDFs, especially automated conversion or document ingestion workflows.

Exploitation context

The source bundle does not show KEV listing or active exploitation evidence. It only states a crash via a specific PDF file.

Researcher notes

Evidence is limited to the CVE description and referenced Xpdf forum link. Do not assume broader product impact, exploitation in the wild, or a specific fix without vendor confirmation.

Mitigation direction

  • Inventory systems using Xpdf 4.00 or bundled Xpdf utilities.
  • Check Xpdf vendor guidance for fixed versions or official workarounds.
  • Restrict or sandbox automated PDF processing that handles untrusted files.
  • Avoid processing untrusted PDFs with vulnerable components until remediated.

Validation and detection

  • Confirm installed Xpdf versions and whether pdftohtml is present.
  • Identify services that parse user-supplied or external PDFs.
  • Review crash logs around PDF conversion or JPX image handling.
  • Verify vendor advisories before claiming a fixed state.
Prepared
Confidence
medium
Sources
3

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.

cve · low confidence lookup

CVE-2018-8107 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
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
2Source 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.