# Netty vulnerabilities > Netty has 29 published vulnerabilities across 2 products in our catalogue. 1 of them is on the list of flaws known to be exploited, so criminals are using them now. The most affected product is Netty, with 27. If you run Netty software, patch the exploited flaws first. Canonical page: https://www.precursorintelligence.com/vendors/netty ## At a glance - **Published vulnerabilities:** 29 - **Known to be exploited:** 1 - **Products:** 2 - **Versions:** 278 - **Most recently added to the known-exploited list:** [CVE-2023-44487](https://www.precursorintelligence.com/what-is/cve-2023-44487), 10 October 2023. We keep watching the list. ## Which Netty products have the most vulnerabilities? - [Netty](https://www.precursorintelligence.com/product/netty/netty): 27 published vulnerabilities, 259 versions - [Netty-Incubator-Codec-Ohttp](https://www.precursorintelligence.com/product/netty/netty-incubator-codec-ohttp): 2 published vulnerabilities, 19 versions Each product page lists its own known-exploited flaws. ## Which Netty vulnerabilities are being exploited? 1 flaw is on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2023-44487](https://www.precursorintelligence.com/what-is/cve-2023-44487): HTTP/2 Rapid Reset Attack Vulnerability. High, CVSS 7.5, chance of use in 30 days >99%, known exploited since 10 October 2023. ## Which Netty flaws are most likely to be used? Ranked by the latest exploit-likelihood forecast (the chance each flaw is used in an attack in the next 30 days): - [CVE-2023-44487](https://www.precursorintelligence.com/what-is/cve-2023-44487): >99%, High (CVSS 7.5), known exploited - [CVE-2021-21295](https://www.precursorintelligence.com/what-is/cve-2021-21295): 19%, Medium (CVSS 5.9) - [CVE-2019-20445](https://www.precursorintelligence.com/what-is/cve-2019-20445): 14%, Critical (CVSS 9.1) - [CVE-2016-4970](https://www.precursorintelligence.com/what-is/cve-2016-4970): 11%, High (CVSS 7.5) - [CVE-2020-11612](https://www.precursorintelligence.com/what-is/cve-2020-11612): 9.2%, High (CVSS 7.5) - [CVE-2019-20444](https://www.precursorintelligence.com/what-is/cve-2019-20444): 8.9%, Critical (CVSS 9.1) - [CVE-2019-16869](https://www.precursorintelligence.com/what-is/cve-2019-16869): 8.6%, High (CVSS 7.5) - [CVE-2021-37137](https://www.precursorintelligence.com/what-is/cve-2021-37137): 6.6%, High (CVSS 7.5) - [CVE-2021-37136](https://www.precursorintelligence.com/what-is/cve-2021-37136): 5.9%, High (CVSS 7.5) - [CVE-2015-2156](https://www.precursorintelligence.com/what-is/cve-2015-2156): 5.2%, High (CVSS 7.5) ## All Netty products we track 2 products with at least one tracked version, most vulnerabilities first: - [Netty](https://www.precursorintelligence.com/product/netty/netty): 27 vulnerabilities, 259 versions - [Netty-Incubator-Codec-Ohttp](https://www.precursorintelligence.com/product/netty/netty-incubator-codec-ohttp): 2 vulnerabilities, 19 versions ## Questions ### How many vulnerabilities does Netty have? Our catalogue lists 29 published vulnerabilities across 2 products and 278 versions from Netty. The most recent Netty flaw added to the known-exploited list is CVE-2023-44487, on 10 October 2023. ### Which Netty vulnerabilities are being exploited? 1 Netty vulnerability is on the list of flaws known to be exploited. The most recently added is CVE-2023-44487. The full list is on this page. ### Which Netty product has the most vulnerabilities? Netty, with 27 published vulnerabilities. Its own page lists the ones known to be exploited. ### How do I get alerts for new Netty vulnerabilities? Create a Precursor Intelligence account and track the Netty products you run. We match them against every published flaw, give each one a risk score from 0 to 100 and tell you as soon as we spot one that affects you, by email, in the app or by webhook. ## Running Netty? Precursor Intelligence keeps checking for you: - **Tell us what you run.** Pick your software from a list, or let us work it out from your website. - **We match it to every flaw.** Over 400,000 published flaws, checked against your list. - **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it. - **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools. Start free (no card, nothing to install): https://www.precursorintelligence.com/register Book a demo: https://www.precursorintelligence.com/contact