SB2025071826 - Anolis OS update for ruby:3.3 module

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Asymmetric Resource Consumption (Amplification) (CVE-ID: CVE-2025-25186)

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

The vulnerability exists due to application does not properly control consumption of internal resources in `net-imap`'s response parser. At any time while the client is connected, a malicious server can send can send highly compressed `uid-set` data which is automatically read by the client's receiver thread. The response parser uses `Range#to_a` to convert the `uid-set` data into arrays of integers, with no limitation on the expanded size of the ranges. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

2) Input validation error (CVE-ID: CVE-2025-27219)

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

The vulnerability exists due to insufficient validation of user-supplied input in CGI::Cookie.parse. A remote attacker can send a specially crafted HTTP request to the application and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://anas.openanolis.cn/errata/detail/ANSA-2025:0448