Anolis OS update for python-tornado

1) Allocation of Resources Without Limits or Throttling

EUVDB-ID: #VU109846

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-47287

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to excessive logging in the multipart/form-data parser. A remote attacker can force the application to generate an extremely high volume of logs and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 23

python3-tornado-doc: before 6.4.2-2

python3-tornado: before 6.4.2-2

CPE2.3

• cpe:2.3:o:openanolis:anolis_os:23:*:*:*:*:*:*:*
• cpe:2.3:a:openanolis:python3-tornado-doc:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:python3-tornado:*:*:*:*:*:anolis_os:*:*

External links

https://anas.openanolis.cn/errata/detail/ANSA-2025:0294

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.