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-2026:20573 addresses two vulnerabilities in the python-tornado package. CVE-2026-31958 is a denial of service vulnerability caused by processing large multipart bodies. CVE-2026-35536 involves cookie attribute injection resulting from improper handling of cookie arguments. Both vulnerabilities affect python-tornado versions prior to the fixed release 6.4.2-1.el9_2.2 included in Red Hat Enterprise Linux 9.2. The advisory provides updated packages to remediate these issues. No CVSS scores are provided in the advisory, but the severity is rated as moderate.
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 manipulate cookie attributes due to improper argument handling, potentially affecting session management or security controls relying on cookies. Both vulnerabilities could impact applications using the affected python-tornado versions on Red Hat Enterprise Linux 9.2.
Mitigation Recommendations
Red Hat has released an updated python-tornado package version 6.4.2-1.el9_2.2 that addresses these vulnerabilities. Users of Red Hat Enterprise Linux 9.2 should apply this update promptly following Red Hat's published guidance at https://access.redhat.com/articles/11258. No additional mitigation steps are specified or required 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-2026:20573 addresses two vulnerabilities in the python-tornado package. CVE-2026-31958 is a denial of service vulnerability caused by processing large multipart bodies. CVE-2026-35536 involves cookie attribute injection resulting from improper handling of cookie arguments. Both vulnerabilities affect python-tornado versions prior to the fixed release 6.4.2-1.el9_2.2 included in Red Hat Enterprise Linux 9.2. The advisory provides updated packages to remediate these issues. No CVSS scores are provided in the advisory, but the severity is rated as moderate.
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 manipulate cookie attributes due to improper argument handling, potentially affecting session management or security controls relying on cookies. Both vulnerabilities could impact applications using the affected python-tornado versions on Red Hat Enterprise Linux 9.2.
Mitigation Recommendations
Red Hat has released an updated python-tornado package version 6.4.2-1.el9_2.2 that addresses these vulnerabilities. Users of Red Hat Enterprise Linux 9.2 should apply this update promptly following Red Hat's published guidance at https://access.redhat.com/articles/11258. No additional mitigation steps are specified or required 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-2026:20573
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-35536"]
- Cvss Version
- null
Threat ID: 6a160976e29bf47b506413eb
Added to database: 05/26/2026, 20:58:30 UTC
Last enriched: 07/10/2026, 12:25:57 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 93
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.