SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-33796

In MuJS before version 1.1.2, a use-after-free flaw in the regexp source property access may cause denial of service.

HIGH 7.5EPSS 0.71%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.71%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In MuJS before version 1.1.2, a use-after-free flaw in the regexp source property access may cause denial of service.

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
0.71% probability · 52th percentile
CISA KEV
Not listed
Weakness
CWE-416
Affected
artifex/mujs
Source
patrick@puiterwijk.org

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