# Codeready Linux Builder vulnerabilities

> Codeready Linux Builder is made by Red Hat. We track 37 published vulnerabilities listed under that exact name, across 4 versions. 4 of them are on the list of flaws known to be exploited, the newest added on 2 June 2026. Red Hat lists newer releases under their own names, such as Codeready Linux Builder Eus, so check those pages too.

Canonical page: https://www.precursorintelligence.com/product/redhat/codeready_linux_builder

## At a glance

- **Made by:** [Red Hat](https://www.precursorintelligence.com/vendors/redhat)
- **Published vulnerabilities:** 37
- **Known to be exploited:** 4 (listed under the name Codeready Linux Builder)
- **Versions tracked:** 4
- **Most recently added to the known-exploited list:** [CVE-2022-0492](https://www.precursorintelligence.com/what-is/cve-2022-0492), 2 June 2026. We keep watching the list.

## Is Codeready Linux Builder listed under other names?

Red Hat also lists Codeready Linux Builder under more specific names, such as Codeready Linux Builder Eus and Codeready Linux Builder for Arm64 Eus. Flaws listed only under those names are counted on their own pages, not here.

- [Codeready Linux Builder Eus](https://www.precursorintelligence.com/product/redhat/codeready_linux_builder_eus): 19 published vulnerabilities
- [Codeready Linux Builder for Arm64 Eus](https://www.precursorintelligence.com/product/redhat/codeready_linux_builder_for_arm64_eus): 13 published vulnerabilities
- [Codeready Linux Builder for Ibm Z Systems Eus](https://www.precursorintelligence.com/product/redhat/codeready_linux_builder_for_ibm_z_systems_eus): 13 published vulnerabilities
- [Codeready Linux Builder for Power Little Endian Eus](https://www.precursorintelligence.com/product/redhat/codeready_linux_builder_for_power_little_endian_eus): 12 published vulnerabilities
- [Codeready Linux Builder for Ibm Z Systems](https://www.precursorintelligence.com/product/redhat/codeready_linux_builder_for_ibm_z_systems): 11 published vulnerabilities
- [Codeready Linux Builder for Power Little Endian](https://www.precursorintelligence.com/product/redhat/codeready_linux_builder_for_power_little_endian): 11 published vulnerabilities
- [Codeready Linux Builder for Arm64](https://www.precursorintelligence.com/product/redhat/codeready_linux_builder_for_arm64): 8 published vulnerabilities
- [Codeready Linux Builder Eus for Power Little Endian Eus](https://www.precursorintelligence.com/product/redhat/codeready_linux_builder_eus_for_power_little_endian_eus): 8 published vulnerabilities
- [Codeready Linux Builder Eus for Power Little Endian](https://www.precursorintelligence.com/product/redhat/codeready_linux_builder_eus_for_power_little_endian): 5 published vulnerabilities

## Which versions of Codeready Linux Builder do the exploited flaws hit?

Each exploited flaw lists the versions it affects, as published.

- [CVE-2022-0492](https://www.precursorintelligence.com/what-is/cve-2022-0492) (Linux Kernel Improper Authentication Vulnerability): 8.0, 8.2
- [CVE-2023-4911](https://www.precursorintelligence.com/what-is/cve-2023-4911) (GNU C Library Buffer Overflow Vulnerability): 9.0
- [CVE-2019-8720](https://www.precursorintelligence.com/what-is/cve-2019-8720) (WebKitGTK Memory Corruption Vulnerability): 8.0

1 more exploited flaw names Codeready Linux Builder without a version of its own (for example as the system other affected software runs on). They are in the list below.

## Which Codeready Linux Builder vulnerabilities are being exploited?

4 flaws are on the government list of vulnerabilities known to be exploited, newest first:

- [CVE-2022-0492](https://www.precursorintelligence.com/what-is/cve-2022-0492): Linux Kernel Improper Authentication Vulnerability. High, CVSS 7.8, chance of use in 30 days 5.5%, known exploited since 2 June 2026.
- [CVE-2023-4911](https://www.precursorintelligence.com/what-is/cve-2023-4911): GNU C Library Buffer Overflow Vulnerability. High, CVSS 7.8, chance of use in 30 days 64%, known exploited since 21 November 2023.
- [CVE-2019-8720](https://www.precursorintelligence.com/what-is/cve-2019-8720): WebKitGTK Memory Corruption Vulnerability. High, CVSS 8.8, chance of use in 30 days 1.6%, known exploited since 23 May 2022.
- [CVE-2022-0847](https://www.precursorintelligence.com/what-is/cve-2022-0847): Linux Kernel Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 93%, known exploited since 25 April 2022.

## Which Codeready Linux Builder 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-2022-0847](https://www.precursorintelligence.com/what-is/cve-2022-0847): 93%, High (CVSS 7.8), known exploited
- [CVE-2021-44142](https://www.precursorintelligence.com/what-is/cve-2021-44142): 74%, High (CVSS 8.8)
- [CVE-2022-0435](https://www.precursorintelligence.com/what-is/cve-2022-0435): 68%, High (CVSS 8.8)
- [CVE-2023-4911](https://www.precursorintelligence.com/what-is/cve-2023-4911): 64%, High (CVSS 7.8), known exploited
- [CVE-2021-3737](https://www.precursorintelligence.com/what-is/cve-2021-3737): 13%, High (CVSS 7.5)
- [CVE-2022-0492](https://www.precursorintelligence.com/what-is/cve-2022-0492): 5.5%, High (CVSS 7.8), known exploited
- [CVE-2021-3733](https://www.precursorintelligence.com/what-is/cve-2021-3733): 4.8%, Medium (CVSS 6.5)
- [CVE-2019-11135](https://www.precursorintelligence.com/what-is/cve-2019-11135): 3.1%, Medium (CVSS 6.5)
- [CVE-2023-0179](https://www.precursorintelligence.com/what-is/cve-2023-0179): 1.9%, High (CVSS 7.8)
- [CVE-2019-3459](https://www.precursorintelligence.com/what-is/cve-2019-3459): 1.8%, Medium (CVSS 6.5)

## Questions

### How many vulnerabilities does Codeready Linux Builder have?

We track 37 published vulnerabilities listed under the name Codeready Linux Builder, across 4 versions. The most recent Codeready Linux Builder flaw added to the known-exploited list is CVE-2022-0492, on 2 June 2026.

### Which Codeready Linux Builder vulnerabilities are being exploited?

4 are on the list of flaws known to be exploited. The most recently added are CVE-2022-0492, CVE-2023-4911 and CVE-2019-8720.

### Why are newer Codeready Linux Builder flaws missing from this page?

Red Hat also lists Codeready Linux Builder under more specific names, such as Codeready Linux Builder Eus and Codeready Linux Builder for Arm64 Eus. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list.

### Which versions of Codeready Linux Builder do the exploited flaws affect?

Each flaw names its own versions, usually as ranges. The newest, CVE-2022-0492, affects 8.0, 8.2. The versions for every exploited flaw are listed on this page.

### How do I get alerts for Codeready Linux Builder?

Create a Precursor Intelligence account and track Codeready Linux Builder. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.

## Running Codeready Linux Builder?

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