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VulnerabilityPublished Updated

CVE-2026-101516: java-17-openjdk security update for AlmaLinux 9

Affects java-17-openjdkSource GCVE Database

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Mentioned vulnerabilities

Authoritative record:CVE-2026-101516· Medium 6.5

Not known to be exploited · CVSS 6.5 Medium : upgrade to 1:17.0.21.0.9-2.2.el9.alma.1 when convenient.

Data as of 1 Nov 2026, 15:56 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 1:17.0.21.0.9-2.2.el9.alma.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 1 Nov 2026.

What to do

Upgrade the AlmaLinux to 1:17.0.21.0.9-2.2.el9.alma.1.

Affected software

ProductAffectedFixed in
AlmaLinux 9java-17-openjdkAffected
  • <1:17.0.21.0.9-2.2.el9.alma.1
Fixed in
  • 1:17.0.21.0.9-2.2.el9.alma.1
AlmaLinux 9java-17-openjdk-demoAffected
  • <1:17.0.21.0.9-2.2.el9.alma.1
Fixed in
  • 1:17.0.21.0.9-2.2.el9.alma.1
AlmaLinux 9java-17-openjdk-demo-fastdebugAffected
  • <1:17.0.21.0.9-2.2.el9.alma.1
Fixed in
  • 1:17.0.21.0.9-2.2.el9.alma.1
AlmaLinux 9java-17-openjdk-demo-slowdebugAffected
  • <1:17.0.21.0.9-2.2.el9.alma.1
Fixed in
  • 1:17.0.21.0.9-2.2.el9.alma.1
AlmaLinux 9java-17-openjdk-develAffected
  • <1:17.0.21.0.9-2.2.el9.alma.1
Fixed in
  • 1:17.0.21.0.9-2.2.el9.alma.1
AlmaLinux 9java-17-openjdk-devel-fastdebugAffected
  • <1:17.0.21.0.9-2.2.el9.alma.1
Fixed in
  • 1:17.0.21.0.9-2.2.el9.alma.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

A security update is available and should be applied to affected systems. The fixed version is 1:17.0.21.0.9-2.2.el9.alma.1. Additionally, ensure the ca-certificates package is updated to address related certificate store issues. No further action is required beyond applying these updates.

Description

Multiple security enhancements and fixes have been applied to the java-17-openjdk packages for AlmaLinux 9, addressing a range of vulnerabilities including certificate handling, authentication, HTTP client and server processing, image handling, and cryptographic validation. The update fixes CVE-2026-101516 among others, improving the security posture of OpenJDK 17. The fixed version is 1:17.0.21.0.9-2.2.el9.alma.1.

References

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