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CVE-2021-41959: JerryScript Git version 14ff5bf does not sufficiently track and release allocated memory via jerry-core/ecma/operations/ecma-regexp-object.c after RegExp, which causes a memory leak.
CVE-2021-41959 · published 4 years ago
Summary
JerryScript Git version 14ff5bf does not sufficiently track and release allocated memory via jerry-core/ecma/operations/ecma-regexp-object.c after RegExp, which causes a memory leak.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| jerryscript | jerryscript |
All versions
cpe:2.3:a:jerryscript:jerryscript:-:*:*:*:*:*:*:* |
Original advisory text
JerryScript Git version 14ff5bf does not sufficiently track and release allocated memory via jerry-core/ecma/operations/ecma-regexp-object.c after RegExp, which causes a memory leak.
JerryScript Git version 14ff5bf does not sufficiently track and release allocated memory via jerry-core/ecma/operations/ecma-regexp-object.c after RegExp, which causes a memory leak.
References
- https://github.com/jerryscript-project/jerryscript/issues/4781 Exploit Issue Tracking Third Party Advisory
- https://github.com/jerryscript-project/jerryscript/pull/4787 Exploit Issue Tracking Patch Third Party Advisory
Internet-facing
14 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically (estimated)
- Gives an attacker partial control (estimated)
Type
CWE-401Memory Leak
Timeline
Published3 May 2022
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2021-41959 · NVD
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