CVE-2023-31906
Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the...
Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c.
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
Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c.
- Record
CVE-2023-31906- 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
CVE List
Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c.
- Record
CVE-2023-31906- 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
EUVDEUVD-2023-36195
Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c.
- Record
EUVD-2023-36195- 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
- 2026-11-03
GitHub AdvisoriesGHSA-44q9-g282-869g
Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the...
Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c.
- Record
GHSA-44q9-g282-869g- 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
Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c.
- Record
CVE-2023-31906- 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-2023-31906
Jerryscript 3.0.0(commit 1a2c047) was discovered to contain a heap-buffer-overflow via the component lexer_compare_identifier_to_chars at /jerry-core/parser/js/js-lexer.c.
- Record
UBUNTU-CVE-2023-31906- 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-2023-31906 is a high vulnerability (CVSS 7.8) in Jerryscript, published May 10, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 24th percentile. No source names a fixed version.