CVE-2021-41683
There is a stack-overflow at ecma-helpers.c:326 in ecma_get_lex_env_type in JerryScript 2.4.0
There is a stack-overflow at ecma-helpers.c:326 in ecma_get_lex_env_type in JerryScript 2.4.0
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
There is a stack-overflow at ecma-helpers.c:326 in ecma_get_lex_env_type in JerryScript 2.4.0
- Record
CVE-2021-41683- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
There is a stack-overflow at ecma-helpers.c:326 in ecma_get_lex_env_type in JerryScript 2.4.0
- Record
CVE-2021-41683- Updated
- 2026-11-02
EUVDEUVD-2021-28695 No score
There is a stack-overflow at ecma-helpers.c:326 in ecma_get_lex_env_type in JerryScript 2.4.0
- Record
EUVD-2021-28695- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vp9v-fqcv-pxh7
There is a stack-overflow at ecma-helpers.c:326 in ecma_get_lex_env_type in JerryScript 2.4.0
There is a stack-overflow at ecma-helpers.c:326 in ecma_get_lex_env_type in JerryScript 2.4.0
- Record
GHSA-vp9v-fqcv-pxh7- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
OSV
There is a stack-overflow at ecma-helpers.c:326 in ecma_get_lex_env_type in JerryScript 2.4.0
- Record
CVE-2021-41683- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-41683
There is a stack-overflow at ecma-helpers.c:326 in ecma_get_lex_env_type in JerryScript 2.4.0
- Record
UBUNTU-CVE-2021-41683- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-41683 is a high vulnerability (CVSS 7.8) in Jerryscript, published June 20, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.72%, the 54th percentile. No source names a fixed version.