Security readout for executives and security teams
Plain-English summary
This vulnerability can crash MuPDF 1.14.0 when it processes a malicious SVG file. The business impact is availability: document viewing or conversion workflows using MuPDF may fail if exposed to untrusted SVG content.
Executive priority
Treat as a targeted availability risk for document-processing systems. Prioritize patching where untrusted files are processed automatically or at scale.
Technical view
The issue is in MuPDF svg/svg-run.c. Recursive SVG processing can exhaust stack space and lead to a crash in fitz/xml.c fz_xml_att. The CVE cites mupdf-gl as a demonstrated affected path.
Likely exposure
Exposure is most likely where MuPDF 1.14.0 or embedded MuPDF components process SVG files from users, email, web uploads, or automated document pipelines.
Exploitation context
The source bundle includes a public proof-of-concept repository reference, but KEV is false and no cited source states active exploitation. The documented impact is denial of service, not code execution.
Researcher notes
Evidence identifies MuPDF 1.14.0, SVG recursion, stack exhaustion, and fz_xml_att crash behavior. CVSS, CWE, and complete affected product metadata are absent from the bundle.
Mitigation direction
- Inventory MuPDF and applications embedding MuPDF, especially version 1.14.0.
- Apply vendor package updates referenced by Fedora or Artifex guidance.
- Prioritize systems that process untrusted SVG or document uploads.
- Restrict untrusted SVG processing until patched where feasible.
- Check upstream Artifex guidance for the exact fixed release.
Validation and detection
- Confirm installed MuPDF package versions across servers, desktops, and containers.
- Identify services that pass SVG files into MuPDF or mupdf-gl.
- Verify patched builds include the referenced upstream MuPDF commit or vendor update.
- Review crash logs for MuPDF SVG parsing failures.
- Run non-production regression tests for SVG recursion handling.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-2018-19881 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://bugs.ghostscript.com/show_bug.cgi?id=700442CVE reference
- https://github.com/TeamSeri0us/pocs/tree/master/mupdf/20181203CVE reference
- FEDORA-2019-befe3bd225CVE reference · vendor-advisory
- FEDORA-2019-15af6a9a07CVE reference · vendor-advisory
- https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=c8f7e48ff74720a5e984ae19d978a5ab4d5dde5bCVE reference
- https://bugs.ghostscript.com/show_bug.cgi?id=700342CVE reference · x_refsource_MISC, x_transferred
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.