Out-of-bounds write in JerryScript
Priority MEDIUM 47CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.02549 85th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| JerryScript | JerryScript | commit 4e58ccf68070671e1fff5cd6673f0c1d5b80b166 [fixed: after commit 505dace719aebb3308a3af223cfaa985159efae0] (as of 2018-09-14) | — | No fix listed | CNA |
- JerryScript VendorJerryScript Affected commit 4e58ccf68070671e1fff5cd6673f0c1d5b80b166 [fixed: after commit 505dace719aebb3308a3af223cfaa985159efae0] (as of 2018-09-14) Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jerryscript:jerryscript:*:*:*:*:*:*:*:* | before 2.0 | Vulnerable | JerryScript |
- cpe:2.3:a:jerryscript:jerryscript:*:*:*:*:*:*:*:* Versions before 2.0 Vulnerable ·JerryScript
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-1010176
- 2026-10-03 Alias added: GHSA-3xh3-gmcq-76vr
References
More Jerryscript vulnerabilities
- TI-2023-20218 Buffer Overflwo vulnerability in JerryScript Project jerryscript v.3.0.0 allows a remote… CVSS 3.1CRITICAL 9.8
- TI-2023-18120 Buffer Overflow vulnerability in JerryScript version 3.0, allows remote attackers to… CVSS 3.1CRITICAL 9.8
- TI-2020-14354 An issue in Jerrscript- project Jerryscrip v. CVSS 3.1CRITICAL 9.8
- TI-2023-17424 Jerryscript 3.0 (commit 05dbbd1) was discovered to contain an Assertion Failure via the… CVSS 3.1HIGH 7.5
- TI-2023-15262 Jerryscript 3.0 (commit 05dbbd1) was discovered to contain a heap-buffer-overflow via the… CVSS 3.1HIGH 7.8
- TI-2023-15261 Jerryscript 3.0 (commit 05dbbd1) was discovered to contain a heap-buffer-overflow via the… CVSS 3.1HIGH 7.8
Sources
- CVE-2019-1010176 · CVE Program
- CVE-2019-1010176 · NVD
- FIRST EPSS
- GHSA-3xh3-gmcq-76vr · GitHub Advisory Database · CC BY 4.0
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