CVE-2025-56571: Finance.js v4.1.0 contains a Denial of Service (DoS) vulnerability via the IRR function’s depth parameter

This month

HIGH 7.5REMOTEDOWNGRADE

CVE-2025-56571 is a high-severity flaw (CVSS 7.5) affecting finance.js. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Finance.js v4.1.0 contains a Denial of Service (DoS) vulnerability via the IRR function’s depth parameter. Improper handling of the recursion/iteration limit can lead to excessive CPU usage, causing application stalls or crashes.

Why this priority

High severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-834
Published	2025-09-30
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: ebradyjobory

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-09-30 16:15 UTCPublished CVE record published
2026-07-05 02:17 UTCUpdated Record last modified

ebradyjobory finance.js DOWNGRADE

Affected: 4.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.1.0

1. Check installed version

apt-cache policy finance.js || rpm -q finance.js || finance.js --version

2. No fixed release: DOWNGRADE to a release before 4.1.0 (Debian / Ubuntu)

apt-cache madison finance.js sudo apt install finance.js=<VERSION_BEFORE_4.1.0> sudo apt-mark hold finance.js

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list finance.js sudo dnf downgrade finance.js-<VERSION_BEFORE_4.1.0> sudo dnf versionlock add finance.js

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-56571?

finance.js: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-56571 being exploited?

CVE-2025-56571 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-56571 affect?

CVE-2025-56571 affects finance.js. Severity is high (CVSS 7.5). Finance.js v4.1.0 contains a Denial of Service (DoS) vulnerability via the IRR function’s depth parameter. Improper handling of the recursion/iteration limit can lead to excessive CPU usage, causing application stalls or crashes.

How urgent is CVE-2025-56571?

Priority 41/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-56572 HIGH 7.5 DOWNGRADE An issue in finance.js v.4.1.0 allows a remote attacker to cause a denial of service via the seekZero() parame

References

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