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Multiple Oracle Linux Versions Face Critical Vulnerabilities in PCP Tools

Multiple Oracle Linux Versions Face Critical Vulnerabilities in PCP Tools

First seen 20 Aug 2026, 11:54 UTC • •
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ThreatCluster AI
ThreatCluster •August 21, 2026 at 11:17 UTC
  • •Critical vulnerabilities found in Oracle Linux versions 8, 9, and 10 related to PCP tools.
  • •CVE-2026-16530 and CVE-2026-16531 could lead to unauthorized access and system compromise.
  • •Immediate patching and auditing of Linux privileges are recommended to mitigate risks.

Recent advisories reveal critical vulnerabilities affecting Oracle Linux versions 8, 9, and 10, specifically in the Performance Co-Pilot (PCP) tools. The vulnerabilities include CVE-2026-16530 and CVE-2026-16531, both published on July 30, 2026, which involve an out-of-bounds pointer dereference and a path traversal issue, respectively. These flaws could allow unauthorized access and potential system compromise. The affected systems include Oracle Linux 8 (5.3.7-22.0.12.el8_10.5), Oracle Linux 9 (6.3.7-8.0.1.el9_8.4), and Oracle Linux 10 (7.0.3-5.0.1.el10_2). Administrators are urged to audit Linux privileges and apply patches to mitigate risks. The advisories emphasize the importance of immediate action to prevent exploitation. Current status indicates that the vulnerabilities are not yet confirmed to be actively exploited but pose significant risks.

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Timeline

2026-07-30
CVE-2026-16530 published
An out-of-bounds pointer dereference vulnerability was disclosed affecting Oracle Linux PCP tools.
Linuxsecurity
2026-07-30
CVE-2026-16531 published
A path traversal vulnerability in the pmproxy logger servlet was disclosed, impacting Oracle Linux systems.
Linuxsecurity
2026-07-30
CVE-2026-16526 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-30
CVE-2026-16527 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-30
CVE-2026-16524 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-08-20
Oracle Linux 8 and 9 advisories released
Important fixes for vulnerabilities in Oracle Linux 8 and 9 were published, urging immediate action from administrators.
Linuxsecurity
2026-08-20
Oracle Linux 10 advisory released
An advisory for Oracle Linux 10 was published, detailing critical vulnerabilities in PCP tools and recommended actions.
Linuxsecurity

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