SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-11418

An issue was discovered in JerryScript 1.0.

CRITICAL 9.8EPSS 1.58%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.58% probability · 74th percentile
CISA KEV
Not listed
Weakness
CWE-125
Affected
jerryscript/jerryscript
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.