Security readout for executives and security teams
Plain-English summary
CVE-2018-1000036 is a denial-of-service issue in MuPDF. A specially crafted PDF can trigger memory leaks in the parser, potentially exhausting memory and disrupting services that open or process untrusted PDFs.
Executive priority
Treat as a targeted availability risk, not a confirmed breach issue. Prioritize exposed document-processing services and shared platforms where PDF parsing failures could disrupt customers or operations.
Technical view
Artifex MuPDF 1.12.0 and earlier contain multiple memory leaks in PDF parsing. The public record describes denial of service via crafted file. The bundle does not provide CVSS, CWE, detailed affected package mappings, or evidence of active exploitation.
Likely exposure
Likely exposure is systems, products, or server workflows using MuPDF 1.12.0 or earlier, especially automated PDF rendering, preview, conversion, or scanning paths that process external files.
Exploitation context
The source bundle supports crafted-file denial of service only. KEV is false, and no cited source in the bundle states active exploitation in the wild.
Researcher notes
The record points to OSS-Fuzz, Ghostscript bug tracking, and an upstream commit. Evidence is enough to identify affected MuPDF versions and DoS class, but incomplete for severity scoring, exploit prevalence, and detailed product impact.
Mitigation direction
- Upgrade MuPDF or distribution packages using vendor guidance.
- Prioritize services that process PDFs from external users.
- Sandbox PDF processing and enforce memory limits where feasible.
- Avoid routing untrusted PDFs to affected MuPDF versions.
- Review Gentoo and Debian advisories for packaged fixes.
Validation and detection
- Inventory MuPDF versions and embedded library copies.
- Check whether versions are 1.12.0 or earlier.
- Map PDF ingestion paths that accept untrusted files.
- Confirm vendor package fixes are installed.
- Review logs for memory exhaustion during PDF processing.
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-2018-1000036 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.chromium.org/p/oss-fuzz/issues/detail?id=5502CVE reference
- GLSA-201811-15CVE reference · vendor-advisory
- [debian-lts-announce] 20210923 [SECURITY] [DLA 2765-1] mupdf security updateCVE reference · mailing-list
- https://bugs.ghostscript.com/show_bug.cgi?id=698887CVE reference
- https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=8aa2bd34065d2844aae778bd4cc20c74bbcd9406CVE reference
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.