CVE-2020-13649
parser/js/js-scanner.c in JerryScript 2.2.0 mishandles errors during certain out-of-memory...
parser/js/js-scanner.c in JerryScript 2.2.0 mishandles errors during certain out-of-memory conditions, as demonstrated by a scanner_reverse_info_list NULL pointer dereference and a scanner_scan_all assertion failure.
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.5
parser/js/js-scanner.c in JerryScript 2.2.0 mishandles errors during certain out-of-memory conditions, as demonstrated by a scanner_reverse_info_list NULL pointer dereference and a scanner_scan_all assertion failure.
- Record
CVE-2020-13649- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-476, CWE-617, CWE-754
- Updated
- 2026-11-02
CVE List No score
parser/js/js-scanner.c in JerryScript 2.2.0 mishandles errors during certain out-of-memory conditions, as demonstrated by a scanner_reverse_info_list NULL pointer dereference and a scanner_scan_all assertion failure.
- Record
CVE-2020-13649- Updated
- 2026-11-02
EUVDEUVD-2020-5891 No score
parser/js/js-scanner.c in JerryScript 2.2.0 mishandles errors during certain out-of-memory conditions, as demonstrated by a scanner_reverse_info_list NULL pointer dereference and a scanner_scan_all assertion failure.
- Record
EUVD-2020-5891- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-47mc-x3rj-x64v No score
parser/js/js-scanner.c in JerryScript 2.2.0 mishandles errors during certain out-of-memory...
parser/js/js-scanner.c in JerryScript 2.2.0 mishandles errors during certain out-of-memory conditions, as demonstrated by a scanner_reverse_info_list NULL pointer dereference and a scanner_scan_all assertion failure.
- Record
GHSA-47mc-x3rj-x64v- Weakness
- CWE-476
- Updated
- 2026-11-02
OSV
7.5
parser/js/js-scanner.c in JerryScript 2.2.0 mishandles errors during certain out-of-memory conditions, as demonstrated by a scanner_reverse_info_list NULL pointer dereference and a scanner_scan_all assertion failure.
- Record
CVE-2020-13649- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-13649
7.5
parser/js/js-scanner.c in JerryScript 2.2.0 mishandles errors during certain out-of-memory conditions, as demonstrated by a scanner_reverse_info_list NULL pointer dereference and a scanner_scan_all assertion failure.
- Record
UBUNTU-CVE-2020-13649- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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-2020-13649 is a high vulnerability (CVSS 7.5) in Jerryscript, published May 28, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.17%, the 82nd percentile. No source names a fixed version.
References
github.com/jerryscript-project/jerryscript/issues/3786
github.com/jerryscript-project/jerryscript/issues/3788
github.com/jerryscript-project/jerryscript/commit/69f8e78c2f8d562bd6d8002b5488f1662ac30d24
nvd.nist.gov/vuln/detail/CVE-2020-13649
github.com/advisories/GHSA-47mc-x3rj-x64v
ubuntu.com/security/CVE-2020-13649
cve.org/CVERecord?id=CVE-2020-13649