CVE-2018-11418
An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the...
An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the lit_read_code_unit_from_utf8 function via a RegExp("[\u0020") payload, related to re_parse_char_class in parser/regexp/re-parser.c.
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
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the lit_read_code_unit_from_utf8 function via a RegExp("[\u0020") payload, related to re_parse_char_class in parser/regexp/re-parser.c.
- Record
CVE-2018-11418- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the lit_read_code_unit_from_utf8 function via a RegExp("[\u0020") payload, related to re_parse_char_class in parser/regexp/re-parser.c.
- Record
CVE-2018-11418- Updated
- 2026-11-02
EUVDEUVD-2018-3449 No score
An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the lit_read_code_unit_from_utf8 function via a RegExp("[\u0020") payload, related to re_parse_char_class in parser/regexp/re-parser.c.
- Record
EUVD-2018-3449- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f9fv-pv8g-g96g
An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the...
An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the lit_read_code_unit_from_utf8 function via a RegExp("[\u0020") payload, related to re_parse_char_class in parser/regexp/re-parser.c.
- Record
GHSA-f9fv-pv8g-g96g- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the lit_read_code_unit_from_utf8 function via a RegExp("[\u0020") payload, related to re_parse_char_class in parser/regexp/re-parser.c.
- Record
CVE-2018-11418- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-11418
An issue was discovered in JerryScript 1.0. There is a heap-based buffer over-read in the lit_read_code_unit_from_utf8 function via a RegExp("[\u0020") payload, related to re_parse_char_class in parser/regexp/re-parser.c.
- Record
UBUNTU-CVE-2018-11418- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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-2018-11418 is a critical vulnerability (CVSS 9.8) in Jerryscript, published May 24, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.53%, the 74th percentile. No source names a fixed version.