Red Hat Security Advisory: python3.12 security update
Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fix(es): * python: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules (CVE-2026-6100) * python: cpython: Python: Arbitrary code execution via command injection in webbrowser.open() API (CVE-2026-4786) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
This advisory covers two security issues in python3.12 on Red Hat Enterprise Linux 10.0 EUS. CVE-2026-6100 is a use-after-free vulnerability in decompression modules that can lead to arbitrary code execution or information disclosure. CVE-2026-4786 is a command injection vulnerability in the webbrowser.open() API that can result in arbitrary code execution. Red Hat has released updated python3.12 packages (version 3.12.9-2.el10_0.9) to fix these vulnerabilities. The advisory references bugzilla entries BZ-2457932 and BZ-2458049 for the respective CVEs. No CVSS scores are provided in the advisory.
Potential Impact
Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code or disclose sensitive information on affected systems running vulnerable python3.12 versions. This could compromise system integrity and confidentiality. The vulnerabilities affect Red Hat Enterprise Linux 10.0 Extended Update Support and related CodeReady Linux Builder and BaseOS components.
Mitigation Recommendations
Red Hat has released updated python3.12 packages that fix these vulnerabilities. Users should apply the security update as described in the Red Hat advisory RHSA-2026:16699 and the referenced article https://access.redhat.com/articles/11258. Applying this update mitigates the risk from these vulnerabilities. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: python3.12 security update
Description
Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fix(es): * python: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules (CVE-2026-6100) * python: cpython: Python: Arbitrary code execution via command injection in webbrowser.open() API (CVE-2026-4786) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers two security issues in python3.12 on Red Hat Enterprise Linux 10.0 EUS. CVE-2026-6100 is a use-after-free vulnerability in decompression modules that can lead to arbitrary code execution or information disclosure. CVE-2026-4786 is a command injection vulnerability in the webbrowser.open() API that can result in arbitrary code execution. Red Hat has released updated python3.12 packages (version 3.12.9-2.el10_0.9) to fix these vulnerabilities. The advisory references bugzilla entries BZ-2457932 and BZ-2458049 for the respective CVEs. No CVSS scores are provided in the advisory.
Potential Impact
Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code or disclose sensitive information on affected systems running vulnerable python3.12 versions. This could compromise system integrity and confidentiality. The vulnerabilities affect Red Hat Enterprise Linux 10.0 Extended Update Support and related CodeReady Linux Builder and BaseOS components.
Mitigation Recommendations
Red Hat has released updated python3.12 packages that fix these vulnerabilities. Users should apply the security update as described in the Red Hat advisory RHSA-2026:16699 and the referenced article https://access.redhat.com/articles/11258. Applying this update mitigates the risk from these vulnerabilities. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:16699
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-6100"]
- Cvss Version
- null
Threat ID: 6a175eeee29bf47b50edd256
Added to database: 05/27/2026, 21:15:26 UTC
Last enriched: 07/03/2026, 00:53:01 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 119
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