CVE-2021-26199
MEDIUM
6.5
CVSS Score
Published: June 10, 2021 at 10:15 PM UTC
Updated: June 17, 2026 at 03:42 AM UTC
1 product affected across 1 vendorJerryScript
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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.9%
Description
An issue was discovered in JerryScript 2.4.0. There is a heap-use-after-free in ecma_bytecode_ref in ecma-helpers.c file.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_CONFIRMExploitIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/jerryscript-project/jerryscript/issues/4056CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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