CVE-2026-16530: Out-of-bounds Read in Red Hat Red Hat Enterprise Linux 10
A flaw was found in the PCP (Performance Co-Pilot) `pmproxy` service. A remote attacker can exploit a vulnerability in the `pmLogLoadInDom()` function by sending a specially crafted request. This bypasses a critical bounds check, which can lead to the `pmproxy` service crashing, causing a Denial of Service (DoS). Additionally, this flaw may enable the leakage of sensitive information from the system's memory.
AI Analysis
Technical Summary
This vulnerability affects the pmproxy service of the PCP suite on Red Hat Enterprise Linux 10. A remote attacker can send a crafted request that bypasses a critical bounds check in the pmLogLoadInDom() function, leading to an out-of-bounds read. The consequence is a potential denial of service due to service crash and possible leakage of sensitive information from system memory. The CVSS 3.1 base score is 6.5, reflecting a medium severity with network attack vector, no privileges required, no user interaction, and impacts on integrity and availability.
Potential Impact
Successful exploitation can cause the pmproxy service to crash, resulting in denial of service. Additionally, sensitive information from system memory may be exposed. There is no indication of confidentiality impact beyond information leakage, and no known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the Red Hat advisory at https://access.redhat.com/security/cve/CVE-2026-16530 for current remediation guidance. No official fix or workaround details are provided in the available information. Users should monitor the vendor advisory for updates and apply patches once available.
CVE-2026-16530: Out-of-bounds Read in Red Hat Red Hat Enterprise Linux 10
Description
A flaw was found in the PCP (Performance Co-Pilot) `pmproxy` service. A remote attacker can exploit a vulnerability in the `pmLogLoadInDom()` function by sending a specially crafted request. This bypasses a critical bounds check, which can lead to the `pmproxy` service crashing, causing a Denial of Service (DoS). Additionally, this flaw may enable the leakage of sensitive information from the system's memory.
CVSS v3.1
Score 6.5medium
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the pmproxy service of the PCP suite on Red Hat Enterprise Linux 10. A remote attacker can send a crafted request that bypasses a critical bounds check in the pmLogLoadInDom() function, leading to an out-of-bounds read. The consequence is a potential denial of service due to service crash and possible leakage of sensitive information from system memory. The CVSS 3.1 base score is 6.5, reflecting a medium severity with network attack vector, no privileges required, no user interaction, and impacts on integrity and availability.
Potential Impact
Successful exploitation can cause the pmproxy service to crash, resulting in denial of service. Additionally, sensitive information from system memory may be exposed. There is no indication of confidentiality impact beyond information leakage, and no known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the Red Hat advisory at https://access.redhat.com/security/cve/CVE-2026-16530 for current remediation guidance. No official fix or workaround details are provided in the available information. Users should monitor the vendor advisory for updates and apply patches once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- redhat
- Date Reserved
- 2026-07-22T07:57:32.480Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2026-16530","vendor":"Red Hat"}]
Threat ID: 6a6aee0a9c2644c7f8a7efb6
Added to database: 07/30/2026, 06:24:10 UTC
Last enriched: 07/30/2026, 06:39:59 UTC
Last updated: 07/31/2026, 02:51:54 UTC
Views: 8
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