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JerryScript version Tested on commit f86d7459d195c8ba58479d1861b0cc726c8b3793.

Priority LOW 31CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-476.

Summary

JerryScript version Tested on commit f86d7459d195c8ba58479d1861b0cc726c8b3793. Analysing history it seems that the issue has been present since commit 64a340ffeb8809b2b66bbe32fd443a8b79fdd860 contains a CWE-476: NULL Pointer Dereference vulnerability in Triggering undefined behavior at jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-typedarray-prototype.c:598 (passing NULL to memcpy as 2nd argument) results in null pointer dereference (segfault) at jerry-core/jmem/jmem-heap.c:463 that can result in Crash due to segmentation fault. This attack appear to be exploitable via The victim must execute specially crafted javascript code. This vulnerability appears to have been fixed in after commit 87897849f6879df10e8ad68a41bf8cf507edf710.

Why it matters now

EPSS 0.01105 65th percentileScored 2026-11-07
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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jerryscript:jerryscript:1.0:*:*:*:*:*:*:*1.0VulnerableJerryScript
  • cpe:2.3:a:jerryscript:jerryscript:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·JerryScript

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1000636
  2. 2026-10-03 Alias added: GHSA-qcmj-vf57-9376

References

  • 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
See all 97 →

Sources