How severe is CVE-2022-25844?

CVE-2022-25844 has a CVSS score of 7.5/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2022-25844?

CVE-2022-25844 affects the following packages: angular (npm). Ecosystems affected: npm.

How do I fix CVE-2022-25844?

No patched version of angular has shipped for CVE-2022-25844 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

How do I detect CVE-2022-25844 in my npm dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for angular. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

How do I mitigate CVE-2022-25844 if there is no patch (or I can't update yet)?

If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

How does O3 Security protect against CVE-2022-25844?

O3 pinpoints whether CVE-2022-25844 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Is CVE-2022-25844 actively exploited in the wild?

Yes. There are 5 known exploit references for CVE-2022-25844, including 5 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2022-25844?

CVE-2022-25844 has an EPSS (Exploit Prediction Scoring System) score of 4.4%, placing it in the 90th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

When was CVE-2022-25844 published, and has it been updated?

CVE-2022-25844 was published on May 1, 2022 and was last updated on April 16, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

📦 npm

CVE-2022-25844

HIGH

angular vulnerable to regular expression denial of service (ReDoS)

Also known asGHSA-m2h2-264f-f486

Published

May 1, 2022

Updated

Apr 16, 2026

Affected

1 pkg

Patched

None yet

Exploits

5 known

EPSS Exploitation Probability

via FIRST.org ↗

4.4%probability of exploitation in next 30 days

Lower Risk90th percentile+2.44%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Blast Radius

1 pkg affected

Weekly download volume for affected packages — a proxy for how broadly this vulnerability is deployed.

angularnpm

543Kdownloads / week

Description

The package angular after 1.7.0 are vulnerable to Regular Expression Denial of Service (ReDoS) by providing a custom locale rule that makes it possible to assign the parameter in posPre: ' '.repeat() of NUMBER_FORMATS.PATTERNS[1].posPre with a very high value. Note: 1) This package has been deprecated and is no longer maintained. 2) The vulnerable versions are 1.7.0 and higher.

Affected Packages

1 total

Ecosystem	Package	Vulnerable range	Fix
📦npm	`angular`	≥ 1.7.0	No fix

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.