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
The Red Hat Security Advisory RHSA-2026:19189 addresses two vulnerabilities in the python-tornado package for Red Hat Enterprise Linux 9. CVE-2026-31958 is a denial of service vulnerability caused by processing large multipart bodies. CVE-2026-35536 involves cookie attribute injection due to improper handling of cookie arguments. These vulnerabilities could impact applications using the Tornado framework for Python. Red Hat has released updated python-tornado packages (version 6.5.5-1.el9_8) for various architectures including x86_64, s390x, ppc64le, and aarch64 to remediate these issues.
Potential Impact
The denial of service vulnerability (CVE-2026-31958) could allow an attacker to disrupt service availability by sending large multipart bodies to applications using python-tornado. The cookie attribute injection vulnerability (CVE-2026-35536) could allow an attacker to manipulate cookie attributes, potentially affecting session management or security controls relying on cookies. Both vulnerabilities have been rated as moderate severity by Red Hat Product Security. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated python-tornado packages that fix these vulnerabilities. Users of Red Hat Enterprise Linux 9 should apply the security update RHSA-2026:19189 promptly to remediate these issues. The advisory and update instructions are available at https://access.redhat.com/errata/RHSA-2026:19189 and https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official update.
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
The Red Hat Security Advisory RHSA-2026:19189 addresses two vulnerabilities in the python-tornado package for Red Hat Enterprise Linux 9. CVE-2026-31958 is a denial of service vulnerability caused by processing large multipart bodies. CVE-2026-35536 involves cookie attribute injection due to improper handling of cookie arguments. These vulnerabilities could impact applications using the Tornado framework for Python. Red Hat has released updated python-tornado packages (version 6.5.5-1.el9_8) for various architectures including x86_64, s390x, ppc64le, and aarch64 to remediate these issues.
Potential Impact
The denial of service vulnerability (CVE-2026-31958) could allow an attacker to disrupt service availability by sending large multipart bodies to applications using python-tornado. The cookie attribute injection vulnerability (CVE-2026-35536) could allow an attacker to manipulate cookie attributes, potentially affecting session management or security controls relying on cookies. Both vulnerabilities have been rated as moderate severity by Red Hat Product Security. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated python-tornado packages that fix these vulnerabilities. Users of Red Hat Enterprise Linux 9 should apply the security update RHSA-2026:19189 promptly to remediate these issues. The advisory and update instructions are available at https://access.redhat.com/errata/RHSA-2026:19189 and https://access.redhat.com/articles/11258. No additional mitigation steps are indicated 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-2026:19189
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-35536"]
- State
- PUBLISHED
Threat ID: 6a160977e29bf47b5064322d
Added to database: 05/26/2026, 20:58:31 UTC
Last enriched: 08/12/2026, 19:23:08 UTC
Last updated: 09/14/2026, 22:01:33 UTC
Views: 102
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