Excessive Iteration in Angular - CVE-2026-50171
Published: September 11, 2026
Vulnerability identifier: #VU149003
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-50171
CWE-ID: CWE-834
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to excessive iteration in the formatNumber function when processing a crafted digitsInfo parameter. A remote attacker can supply a digitsInfo value with excessively large fraction digit values to cause a denial of service.
Affected formatting utilities include DecimalPipe, PercentPipe, and CurrencyPipe.
Affected software
Angular
How to mitigate CVE-2026-50171
Install security update from vendor's website.
Angular - addressed in versions 19.2.23, 20.3.22, 21.2.15, 22.0.0