VulertSecurity VulertSecurity

Vulnerability Database · Rocky Linux · Package report

java-21-openjdk: vulnerability history, versions and safety

java-21-openjdk is a package in the Rocky Linux ecosystem. Vulert records 7 vulnerabilities for it across 7 affected ranges, from May 2024 to Aug 2026. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.

i
7 vulnerabilities recorded U7
i
0 with no fix published

Every vulnerability has a patched version to move to.

i
2 in the last 12 months

Most recent disclosure 20 Aug 2026.

See the disclosure history →
i
0 malicious-package vulnerabilities

No published version shipped hostile code.

See all java-21-openjdk vulnerabilities

Vulert verdict on java-21-openjdk i

Updated on 23 Oct 2026

Every vulnerability Vulert records for this package has a fix, and the newest was recorded 20 Aug 2026. Apply the fixes listed below and you are clear.

Long-term outlook: usable, with an upgrade 7 vulnerabilities on record across 2 years, 2 in the last year.

What to do: Move the affected dependencies to the fixed versions listed below, then keep the package monitored so the next vulnerability reaches you. Fix it, then keep watch: Vulert alerts you when a new vulnerability affects the version you run. Monitor it with Vulert →

  • Vulnerabilities on record 7 over 2 years · 2 in the last year i
  • Latest disclosure 20 Aug 2026 i
  • Highest CVSS 7.5 i
  • With no published fix 0 i

Concerned about your application's security?

Vulert continues monitoring your dependencies and alerts you when new vulnerabilities are disclosed. No installation and no source-code access required.

01 Versions

Which versions are affected

Vulert records these vulnerabilities by affected range rather than by individual release, so these are the ranges to check. Filter above to find the version you run.

i
Affected range Vulnerabilities
up to 1:21.0.12.1.1-1.1.el8_10 (exclusive) 1
up to 1:21.0.10.0.7-1.el8 (exclusive) 1
up to 1:21.0.7.0.6-1.el8 (exclusive) 1
up to 1:21.0.6.0.7-1.el8 (exclusive) 1
up to 1:21.0.5.0.10-3.el8 (exclusive) 1
up to 1:21.0.4.0.7-1.el8 (exclusive) 1
up to 1:21.0.3.0.9-1.el8 (exclusive) 1

02 Disclosure history

How often vulnerabilities are recorded

  • 2024 3
  • 2025 2
  • 2026 2

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 2 of the 7 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for java-21-openjdk

The 5 most severe of 7 vulnerabilities recorded for this package

Search all 7 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
Critical Security Update for java-21-openjdk: Addressing Multiple Vulnerabilities 7.5 high 1:21.0.10.0.7-1.el8 23 Jan 2026
Important: java-21-openjdk security update 7.4 high 1:21.0.4.0.7-1.el8 26 Jul 2024
Moderate Security Vulnerability in java-21-openjdk: Update Required 7.4 high 1:21.0.7.0.6-1.el8 29 Jul 2025
Moderate Security Update for java-21-openjdk: Enhancements to Resource Resolving, HTTP Connections, and TLS Server 6.8 medium 1:21.0.12.1.1-1.1.el8_10 20 Aug 2026
Moderate: java-21-openjdk security update N/A unrated 1:21.0.3.0.9-1.el8 06 May 2024

Vulnerability wrong, a fix missing, or a package we should cover? Report it and we will fix the record. Report Vulnerability Provide Feedback

Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →

Questions

About java-21-openjdk

Is java-21-openjdk safe to use?

Vulert records 7 vulnerabilities for java-21-openjdk in Rocky Linux: 0 critical, 0 high, 0 medium and 0 low, plus 7 not yet rated. Every one of them has a published fix, so the practical answer is to run a supported release and keep it patched.

How many vulnerabilities does java-21-openjdk have?

7 vulnerabilities are recorded for java-21-openjdk in the Rocky Linux ecosystem: 0 critical, 0 high, 0 medium and 0 low, plus 7 not yet rated. The ledger on this page lists the same counts next to the date of the most recent disclosure.

How often are new java-21-openjdk vulnerabilities disclosed?

2 vulnerabilities were recorded for java-21-openjdk in the last 12 months, and the oldest entry in this database dates to 06 May 2024. Recency matters more than a lifetime total: it shows how actively new issues are being disclosed for the package you are considering.

Which versions of java-21-openjdk are affected?

Each vulnerability on this page lists the affected version range and the fixed version to move to. Open the vulnerability for the version you actually run — fixes are specific to a release line, not to the package as a whole.

How do I monitor java-21-openjdk for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the java-21-openjdk version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.