SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-26195

There is a heap-buffer-overflow in lexer_parse_number in js-lexer.c file.

HIGH 8.8EPSS 1.12%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.12%). 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 2.4.0. There is a heap-buffer-overflow in lexer_parse_number in js-lexer.c file.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
1.12% probability · 64th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
jerryscript/jerryscript
Source
cve@mitre.org

References

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