CVE-2019-1010176

CRITICAL

JerryScript commit 4e58ccf68070671e1fff5cd6673f0c1d5b80b166 is affected by: Buffer Overflow. The impact is: denial of service and possibly arbitrary code execution. The component is: function lit_c...

Affects 1 product across 1 vendor.

CVSS 3.09.8
EPSS2.5%
Percentile85th
PatchPatched
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, 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 2019. A critical vulnerability affects Jerryscript systems (CVE-2019-1010176). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2019-GLOBAL-133011-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2019-1010176?
This vulnerability was disclosed in 2019. A critical vulnerability affects Jerryscript systems (CVE-2019-1010176). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2019-1010176?
CVE-2019-1010176 has CVSS 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 2.5%.
Is CVE-2019-1010176 actively exploited?
No confirmed active exploitation of CVE-2019-1010176 as of 2026-05-30.
How do I remediate CVE-2019-1010176?
Priority: MEDIUM.
What systems are affected by CVE-2019-1010176?
CVE-2019-1010176 affects Jerryscript Jerryscript.
Vulnerability Details
CVE IDCVE-2019-1010176
BSIDBS-2019-GLOBAL-133011-C BreachSpider Global ID
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2019-07-25
Last Modified2024-11-21
ICS Relevance15%
Weakness (CWE)
Out-of-Bounds Write
SourceNVD
Official Description

JerryScript commit 4e58ccf68070671e1fff5cd6673f0c1d5b80b166 is affected by: Buffer Overflow. The impact is: denial of service and possibly arbitrary code execution. The component is: function lit_char_to_utf8_bytes (jerry-core/lit/lit-char-helpers.c:377). The attack vector is: executing crafted javascript code. The fixed version is: after commit 505dace719aebb3308a3af223cfaa985159efae0.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: JerryScript commit 4e58ccf68070671e1fff5cd6673f0c1d5b80b166 is affected by: Buffer Overflow. The impact is: denial of service and possibly arbitrary code execution. The component is: function lit_char_to_utf8_bytes (jerry-core/lit/lit-char-helpers.c:377). The attack vector is: executing crafted javascript code. The fixed version is: after commit 505dace719aebb3308a3af223cfaa985159efae0. CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Jerryscript Jerryscript < 2.0
Remediation

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

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 2639 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 Hash609bccbaf8d19a5c0a71b2e4fc42474c1ac95fd360925f4e9c47c49bbf3a2089d0a9080978ee8440c367af30ed045cbe90a41aa9a5cb6fe7face1795df11a5ae
Related CVEs affecting Jerryscript
CVE-2020-23302 9.8 There is a heap-use-after-free at ecma-helpers-string.c:772 in ecma_ref_ecma_... CVE-2017-18212 9.8 An issue was discovered in JerryScript 1.0. There is a heap-based buffer over... CVE-2018-11418 9.8 An issue was discovered in JerryScript 1.0. There is a heap-based buffer over... CVE-2018-11419 9.8 An issue was discovered in JerryScript 1.0. There is a heap-based buffer over... CVE-2020-23303 9.8 There is a heap-buffer-overflow at jmem-poolman.c:165 in jmem_pools_collect_e...
View all Jerryscript CVEs →

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