CVE-2019-9903

MEDIUM

PDFDoc::markObject in PDFDoc.cc in Poppler 0.74.0 mishandles dict marking, leading to stack consumption in the function Dict::find() located at Dict.cc, which can (for example) be triggered by pass...

Affects 8 products across 5 vendors.

CVSS 3.16.5
EPSS2.4%
Percentile84th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, requires user interaction, impact contained to the vulnerable component, no confidentiality impact, no integrity impact, full availability impact.
CWE Weakness Definitions
CWE-787: Out-of-Bounds Write

Software writes data past buffer boundaries, corrupting memory and potentially enabling code execution.

◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2019. A medium severity vulnerability affects Canonical systems (CVE-2019-9903). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2019-GLOBAL-195129-M • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2019-9903?
This vulnerability was disclosed in 2019. A medium severity vulnerability affects Canonical systems (CVE-2019-9903). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2019-9903?
CVE-2019-9903 has CVSS 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS: 2.4%.
Is CVE-2019-9903 actively exploited?
No confirmed active exploitation of CVE-2019-9903 as of 2026-05-30.
How do I remediate CVE-2019-9903?
Priority: MONITOR.
What systems are affected by CVE-2019-9903?
CVE-2019-9903 affects Canonical Ubuntu Linux; Debian Debian Linux; Fedoraproject Fedora; Freedesktop Poppler; Redhat Enterprise Linux Server Tus, Enterprise Linux Server Aus, Enterprise Linux Eus, Enterprise Linux.
Vulnerability Details
CVE IDCVE-2019-9903
BSIDBS-2019-GLOBAL-195129-M BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published2019-03-21
Last Modified2024-11-21
ICS Relevance15%
Weakness (CWE)
Out-of-Bounds Write
SourceNVD
Official Description

PDFDoc::markObject in PDFDoc.cc in Poppler 0.74.0 mishandles dict marking, leading to stack consumption in the function Dict::find() located at Dict.cc, which can (for example) be triggered by passing a crafted pdf file to the pdfunite binary.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: PDFDoc::markObject in PDFDoc.cc in Poppler 0.74.0 mishandles dict marking, leading to stack consumption in the function Dict::find() located at Dict.cc, which can (for example) be triggered by passing a crafted pdf file to the pdfunite binary. CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Exploitation Likelihood: MINIMAL

Affected Products
VendorProductAffected Versions
Canonical Ubuntu Linux 16.04 18.04 18.10 19.04
Debian Debian Linux 10.0
Fedoraproject Fedora 28 29 30
Freedesktop Poppler 0.74.0
Redhat Enterprise Linux Server Tus 8.2 8.4 8.6
Redhat Enterprise Linux Server Aus 8.2 8.4 8.6
Redhat Enterprise Linux Eus 8.1 8.2 8.4 8.6
Redhat Enterprise Linux 8.0
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 2765 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash0a596ff93e607256802eaf066eff0c6deaf5c616755516c37788bd6360261d851b2a59c26d9daa0d250cd9cb519ea9289a3ef523815c8ee292656f25ce48137b
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