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-2026:20577 addresses two vulnerabilities in the python-tornado package for Red Hat Enterprise Linux 10.0 Extended Update Support. CVE-2026-31958 is a denial of service vulnerability that can be triggered by processing large multipart bodies. CVE-2026-35536 is a cookie attribute injection vulnerability due to improper handling of cookie arguments. These vulnerabilities are rated as moderate in severity. Updated python-tornado packages (version 6.4.2-1.el10_0.2) have been released to fix these issues across multiple architectures including x86_64, s390x, ppc64le, and aarch64. The advisory references bugzilla entries BZ-2446765 and BZ-2454716 for the respective CVEs and provides links for applying the update.
Potential Impact
The denial of service vulnerability (CVE-2026-31958) could allow an attacker to disrupt service by sending large multipart bodies to the Tornado server. The cookie attribute injection vulnerability (CVE-2026-35536) could allow an attacker to inject cookie attributes, potentially affecting session management or security controls relying on cookies. Both vulnerabilities have a moderate security impact as rated by Red Hat Product Security.
Mitigation Recommendations
Red Hat has released updated python-tornado packages (version 6.4.2-1.el10_0.2) that address these vulnerabilities. Users of Red Hat Enterprise Linux 10.0 Extended Update Support should apply these updates promptly. Detailed instructions for applying the update are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
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-2026:20577 addresses two vulnerabilities in the python-tornado package for Red Hat Enterprise Linux 10.0 Extended Update Support. CVE-2026-31958 is a denial of service vulnerability that can be triggered by processing large multipart bodies. CVE-2026-35536 is a cookie attribute injection vulnerability due to improper handling of cookie arguments. These vulnerabilities are rated as moderate in severity. Updated python-tornado packages (version 6.4.2-1.el10_0.2) have been released to fix these issues across multiple architectures including x86_64, s390x, ppc64le, and aarch64. The advisory references bugzilla entries BZ-2446765 and BZ-2454716 for the respective CVEs and provides links for applying the update.
Potential Impact
The denial of service vulnerability (CVE-2026-31958) could allow an attacker to disrupt service by sending large multipart bodies to the Tornado server. The cookie attribute injection vulnerability (CVE-2026-35536) could allow an attacker to inject cookie attributes, potentially affecting session management or security controls relying on cookies. Both vulnerabilities have a moderate security impact as rated by Red Hat Product Security.
Mitigation Recommendations
Red Hat has released updated python-tornado packages (version 6.4.2-1.el10_0.2) that address these vulnerabilities. Users of Red Hat Enterprise Linux 10.0 Extended Update Support should apply these updates promptly. Detailed instructions for applying the update are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:20577
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-35536"]
- Cvss Version
- null
Threat ID: 6a160976e29bf47b50641c91
Added to database: 05/26/2026, 20:58:30 UTC
Last enriched: 07/10/2026, 12:25:47 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 93
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