CVE-2020-29657
In JerryScript 2.3.0, there is an out-of-bounds read in main_print_unhandled_exception in the...
In JerryScript 2.3.0, there is an out-of-bounds read in main_print_unhandled_exception in the main-utils.c file.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In JerryScript 2.3.0, there is an out-of-bounds read in main_print_unhandled_exception in the main-utils.c file.
- Record
CVE-2020-29657- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
In JerryScript 2.3.0, there is an out-of-bounds read in main_print_unhandled_exception in the main-utils.c file.
- Record
CVE-2020-29657- Updated
- 2026-11-02
EUVDEUVD-2020-22015 No score
In JerryScript 2.3.0, there is an out-of-bounds read in main_print_unhandled_exception in the main-utils.c file.
- Record
EUVD-2020-22015- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7q7j-9q5r-4p9v No score
In JerryScript 2.3.0, there is an out-of-bounds read in main_print_unhandled_exception in the...
In JerryScript 2.3.0, there is an out-of-bounds read in main_print_unhandled_exception in the main-utils.c file.
- Record
GHSA-7q7j-9q5r-4p9v- Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
In JerryScript 2.3.0, there is an out-of-bounds read in main_print_unhandled_exception in the main-utils.c file.
- Record
CVE-2020-29657- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-29657
In JerryScript 2.3.0, there is an out-of-bounds read in main_print_unhandled_exception in the main-utils.c file.
- Record
UBUNTU-CVE-2020-29657- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| 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-2020-29657 is a critical vulnerability (CVSS 9.1) in Jerryscript, published December 9, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.23%, the 69th percentile. No source names a fixed version.