SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-46170

There is an Use-After-Free in lexer_compare_identifier_to_string in js-lexer.c file.

HIGH 7.5EPSS 1.16%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.16%). 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 commit a6ab5e9. There is an Use-After-Free in lexer_compare_identifier_to_string in js-lexer.c file.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.16% probability · 65th percentile
CISA KEV
Not listed
Weakness
CWE-416
Affected
jerryscript/jerryscript
Source
cve@mitre.org

References

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