Red Hat Security Advisory: python3 security update
A security vulnerability (CVE-2026-6100) in Python's decompression modules allows for arbitrary code execution or information disclosure due to a use-after-free flaw. This issue affects Python as packaged in Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat has issued an important security advisory with updates to address this vulnerability. No CVSS score is provided, but the impact is considered high. The advisory includes updated python3 packages to remediate the issue.
AI Analysis
Technical Summary
CVE-2026-6100 is a use-after-free vulnerability in Python's decompression modules that can lead to arbitrary code execution or information disclosure. This vulnerability affects Python versions as distributed in Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat has released updated python3 packages (e.g., python3-3.6.8-21.el7_9.7) to fix this issue. The advisory classifies the security impact as Important (high severity). No CVSS score is provided in the advisory. The vulnerability is tracked under CWE-825 (Use After Free).
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code or disclose sensitive information on affected systems running vulnerable Python versions. This poses a significant security risk, especially for systems relying on Python decompression modules.
Mitigation Recommendations
Red Hat has released updated python3 packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support to address this vulnerability. Users should apply these official updates as described in the Red Hat advisory (RHSA-2026:52400) and the referenced article https://access.redhat.com/articles/11258. Patch status is confirmed as fixed in these updated packages. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: python3 security update
Description
A security vulnerability (CVE-2026-6100) in Python's decompression modules allows for arbitrary code execution or information disclosure due to a use-after-free flaw. This issue affects Python as packaged in Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat has issued an important security advisory with updates to address this vulnerability. No CVSS score is provided, but the impact is considered high. The advisory includes updated python3 packages to remediate the issue.
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-6100 is a use-after-free vulnerability in Python's decompression modules that can lead to arbitrary code execution or information disclosure. This vulnerability affects Python versions as distributed in Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat has released updated python3 packages (e.g., python3-3.6.8-21.el7_9.7) to fix this issue. The advisory classifies the security impact as Important (high severity). No CVSS score is provided in the advisory. The vulnerability is tracked under CWE-825 (Use After Free).
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code or disclose sensitive information on affected systems running vulnerable Python versions. This poses a significant security risk, especially for systems relying on Python decompression modules.
Mitigation Recommendations
Red Hat has released updated python3 packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support to address this vulnerability. Users should apply these official updates as described in the Red Hat advisory (RHSA-2026:52400) and the referenced article https://access.redhat.com/articles/11258. Patch status is confirmed as fixed in these updated packages. 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-2026:52400
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a79f0efbf8831d539f63c11
Added to database: 08/10/2026, 15:40:31 UTC
Last enriched: 08/10/2026, 16:07:40 UTC
Last updated: 08/10/2026, 17:22:23 UTC
Views: 5
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