SB20260427118 - openEuler update for python-tornado

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper Neutralization of HTTP Headers for Scripting Syntax (CVE-ID: CVE-2025-67724)

CWE-ID: CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax

CVSSv4: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to a missing validation of the reason phrase in HTTP response. A remote attacker can inject arbitrary values into the HTTP server response and perform XSS attacks.

2) Improper Neutralization of Special Elements in Output Used by a Downstream Component (CVE-ID: CVE-2026-35536)

CWE-ID: CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to inject attacker-controlled cookie attributes.

The vulnerability exists due to improper neutralization of special elements in output used by a downstream component in RequestHandler.set_cookie when processing the domain, path, and samesite arguments. A remote attacker can supply input containing semicolons to inject attacker-controlled cookie attributes.

User interaction is required for exploitation.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2026-1903