CVE-2018-19540

HIGH

An issue was discovered in JasPer 1.900.8, 1.900.9, 1.900.10, 1.900.11, 1.900.12, 1.900.13, 1.900.14, 1.900.15, 1.900.16, 1.900.17, 1.900.18, 1.900.19, 1.900.20, 1.900.21, 1.900.22, 1.900.23, 1.900...

Affects 4 products across 3 vendors.

CVSS 3.08.8
EPSS2.3%
Percentile83th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, requires user interaction, impact contained to the vulnerable component, full confidentiality impact, full 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 2018. A high severity vulnerability affects Debian systems (CVE-2018-19540). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2018-GLOBAL-216642-H • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2018-19540?
This vulnerability was disclosed in 2018. A high severity vulnerability affects Debian systems (CVE-2018-19540). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2018-19540?
CVE-2018-19540 has CVSS 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS: 2.3%.
Is CVE-2018-19540 actively exploited?
No confirmed active exploitation of CVE-2018-19540 as of 2026-10-17.
How do I remediate CVE-2018-19540?
Priority: MEDIUM.
What systems are affected by CVE-2018-19540?
CVE-2018-19540 affects Debian Debian Linux; Jasper Project Jasper; Suse Linux Enterprise Desktop, Linux Enterprise Server.
Vulnerability Details
CVE IDCVE-2018-19540
BSIDBS-2018-GLOBAL-216642-H BreachSpider Global ID
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published2018-11-26
Last Modified2026-10-15
ICS Relevance15%
Weakness (CWE)
Out-of-Bounds Write
SourceNVD
Official Description

An issue was discovered in JasPer 1.900.8, 1.900.9, 1.900.10, 1.900.11, 1.900.12, 1.900.13, 1.900.14, 1.900.15, 1.900.16, 1.900.17, 1.900.18, 1.900.19, 1.900.20, 1.900.21, 1.900.22, 1.900.23, 1.900.24, 1.900.25, 1.900.26, 1.900.27, 1.900.28, 1.900.29, 1.900.30, 1.900.31, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.0.8, 2.0.9, 2.0.10, 2.0.11, 2.0.12, 2.0.13, 2.0.14, 2.0.15, 2.0.16. There is a heap-based buffer overflow of size 1 in the function jas_icctxtdesc_input in libjasper/base/jas_icc.c.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: An issue was discovered in JasPer 1.900.8, 1.900.9, 1.900.10, 1.900.11, 1.900.12, 1.900.13, 1.900.14, 1.900.15, 1.900.16, 1.900.17, 1.900.18, 1.900.19, 1.900.20, 1.900.21, 1.900.22, 1.900.23, 1.900.24, 1.900.25, 1.900.26, 1.900.27, 1.900.28, 1.900.29, 1.900.30, 1.900.31, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.0.8, 2.0.9, 2.0.10, 2.0.11, 2.0.12, 2.0.13, 2.0.14, 2.0.15, 2.0.16. There is a heap-based buffer overflow of size 1 in the function jas_icctxtdesc_input in libjasper/base CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Exploitation Likelihood: MINIMAL

Affected Products
VendorProductAffected Versions
Debian Debian Linux 8.0
Jasper Project Jasper 2.0.14
Suse Linux Enterprise Desktop 12
Suse Linux Enterprise Server 11 12
Remediation

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

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 2882 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 Hash77ad10d1044c1259c8a361ba5904ab29c3bcbe1d065b9db579de1b52909bdc5005f3016ec9e7ed404bd9b9c6fd39f317937dfd871ddff6c6598bda5b07f830cd
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