Red Hat Security Advisory: python-tornado 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): * tornado-python: Tornado: Denial of Service via large multipart bodies (CVE-2026-31958) * tornado: Tornado: Cookie attribute injection due to improper handling of cookie arguments (CVE-2026-35536) 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 flaws in the python-tornado package as distributed by Red Hat for Enterprise Linux 9. CVE-2026-31958 is a denial of service vulnerability triggered by processing large multipart bodies. CVE-2026-35536 involves cookie attribute injection caused by improper handling of cookie arguments. Both issues have been addressed in updated python-tornado packages (version 6.5.5-1.el9_7.1). The advisory does not provide CVSS scores but rates the impact as moderate. The fixes are included in the updated packages available from Red Hat's repositories for multiple architectures including x86_64, s390x, ppc64le, and aarch64.
Potential Impact
The denial of service vulnerability (CVE-2026-31958) could allow an attacker to disrupt service by sending large multipart bodies to applications using the vulnerable Tornado version. The cookie attribute injection vulnerability (CVE-2026-35536) could lead to improper cookie handling, potentially affecting session management or security controls relying on cookies. Both vulnerabilities are rated moderate in severity by Red Hat. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated python-tornado packages (version 6.5.5-1.el9_7.1) that address these vulnerabilities. Users of affected Red Hat Enterprise Linux 9 variants should apply the available updates as described in the Red Hat advisory RHSA-2026:13670. No additional mitigation steps are indicated beyond applying the official patches.
Red Hat Security Advisory: python-tornado 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): * tornado-python: Tornado: Denial of Service via large multipart bodies (CVE-2026-31958) * tornado: Tornado: Cookie attribute injection due to improper handling of cookie arguments (CVE-2026-35536) 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 flaws in the python-tornado package as distributed by Red Hat for Enterprise Linux 9. CVE-2026-31958 is a denial of service vulnerability triggered by processing large multipart bodies. CVE-2026-35536 involves cookie attribute injection caused by improper handling of cookie arguments. Both issues have been addressed in updated python-tornado packages (version 6.5.5-1.el9_7.1). The advisory does not provide CVSS scores but rates the impact as moderate. The fixes are included in the updated packages available from Red Hat's repositories for multiple architectures including x86_64, s390x, ppc64le, and aarch64.
Potential Impact
The denial of service vulnerability (CVE-2026-31958) could allow an attacker to disrupt service by sending large multipart bodies to applications using the vulnerable Tornado version. The cookie attribute injection vulnerability (CVE-2026-35536) could lead to improper cookie handling, potentially affecting session management or security controls relying on cookies. Both vulnerabilities are rated moderate in severity by Red Hat. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated python-tornado packages (version 6.5.5-1.el9_7.1) that address these vulnerabilities. Users of affected Red Hat Enterprise Linux 9 variants should apply the available updates as described in the Red Hat advisory RHSA-2026:13670. No additional mitigation steps are indicated beyond applying the official patches.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:13670
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-35536"]
- State
- PUBLISHED
Threat ID: 6a160977e29bf47b50643226
Added to database: 05/26/2026, 20:58:31 UTC
Last enriched: 08/12/2026, 19:23:26 UTC
Last updated: 09/11/2026, 07:31:52 UTC
Views: 96
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