SB2026102807 - Red Hat Enterprise Linux 10 update for python-tornado

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Main Vulnerability Database SB2026102807

SB2026102807 - Red Hat Enterprise Linux 10 update for python-tornado

Published: October 28, 2026

Security Bulletin ID SB2026102807
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper handling of highly compressed data (CVE-ID: CVE-2026-103262)

CWE-ID: CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to improper handling of highly compressed data in tornado.curl_httpclient.CurlAsyncHTTPClient when processing a gzip-compressed response from an attacker-controlled URL. A remote attacker can serve a decompression bomb to cause a denial of service.

The issue affects applications configured to use the curl HTTP client.


Remediation

Install update from vendor's website.

References