Red Hat Security Advisory: python3.12 security update
Red Hat has issued a security advisory for python3. 12 addressing multiple vulnerabilities including header newline injection and command injection in IMAP and POP3 protocols. These vulnerabilities affect Red Hat Enterprise Linux 8 and related variants on multiple architectures. The advisory rates the security impact as Moderate and provides updated packages to remediate the issues. The vulnerabilities involve injection flaws that could potentially allow an attacker to manipulate commands or headers in Python modules. No known exploits in the wild have been reported. The advisory includes instructions and packages for applying the update to affected systems.
AI Analysis
Technical Summary
This Red Hat security advisory (RHSA-2026:4463) addresses four vulnerabilities in python3.12: CVE-2026-0865 (header newline injection in wsgiref.headers.Headers), CVE-2025-15366 (IMAP command injection via user-controlled commands), CVE-2025-15367 (POP3 command injection via user-controlled commands), and CVE-2026-1299 (email header injection due to unquoted newlines). These injection vulnerabilities affect Python modules used in Red Hat Enterprise Linux 8 and related distributions across multiple hardware architectures (x86_64, s390x, ppc64le, aarch64). The advisory rates the impact as Moderate and provides updated python3.12 packages to fix these issues. The vendor advisory includes detailed package information and instructions for applying the update.
Potential Impact
The vulnerabilities allow injection of commands or headers in Python modules, which could lead to unintended command execution or manipulation of email/HTTP headers. This may impact applications relying on these Python modules for IMAP, POP3, or HTTP header processing. The overall security impact is rated Moderate by Red Hat. There are no reports of known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated python3.12 packages that address these vulnerabilities. Users of affected Red Hat Enterprise Linux 8 variants should apply the provided security update as described in the advisory (https://access.redhat.com/articles/11258). No additional mitigation steps are indicated by the vendor beyond applying the official update.
Red Hat Security Advisory: python3.12 security update
Description
Red Hat has issued a security advisory for python3. 12 addressing multiple vulnerabilities including header newline injection and command injection in IMAP and POP3 protocols. These vulnerabilities affect Red Hat Enterprise Linux 8 and related variants on multiple architectures. The advisory rates the security impact as Moderate and provides updated packages to remediate the issues. The vulnerabilities involve injection flaws that could potentially allow an attacker to manipulate commands or headers in Python modules. No known exploits in the wild have been reported. The advisory includes instructions and packages for applying the update to affected systems.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This Red Hat security advisory (RHSA-2026:4463) addresses four vulnerabilities in python3.12: CVE-2026-0865 (header newline injection in wsgiref.headers.Headers), CVE-2025-15366 (IMAP command injection via user-controlled commands), CVE-2025-15367 (POP3 command injection via user-controlled commands), and CVE-2026-1299 (email header injection due to unquoted newlines). These injection vulnerabilities affect Python modules used in Red Hat Enterprise Linux 8 and related distributions across multiple hardware architectures (x86_64, s390x, ppc64le, aarch64). The advisory rates the impact as Moderate and provides updated python3.12 packages to fix these issues. The vendor advisory includes detailed package information and instructions for applying the update.
Potential Impact
The vulnerabilities allow injection of commands or headers in Python modules, which could lead to unintended command execution or manipulation of email/HTTP headers. This may impact applications relying on these Python modules for IMAP, POP3, or HTTP header processing. The overall security impact is rated Moderate by Red Hat. There are no reports of known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated python3.12 packages that address these vulnerabilities. Users of affected Red Hat Enterprise Linux 8 variants should apply the provided security update as described in the advisory (https://access.redhat.com/articles/11258). No additional mitigation steps are indicated by the vendor beyond applying the official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:4463
- Cve Count
- 4
- Additional Cves
- ["CVE-2025-15367","CVE-2026-0865","CVE-2026-1299"]
- Cvss Version
- null
Threat ID: 6a175eeee29bf47b50edc5f0
Added to database: 5/27/2026, 9:15:26 PM
Last enriched: 5/27/2026, 9:20:57 PM
Last updated: 5/29/2026, 3:44:09 PM
Views: 6
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