SB2025110465 - Fedora 43 update for rubygem-rack



SB2025110465 - Fedora 43 update for rubygem-rack

Published: November 4, 2025

Security Bulletin ID SB2025110465
Severity
Medium
Patch available
YES
Number of vulnerabilities 5
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 5 secuirty vulnerabilities.


1) Resource exhaustion (CVE-ID: CVE-2025-61770)

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 Rack::Multipart::Parser. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


2) Resource exhaustion (CVE-ID: CVE-2025-61771)

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 Rack::Multipart::Parser when handling file parts. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


3) Resource exhaustion (CVE-ID: CVE-2025-61772)

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 Rack::Multipart::Parser when handling multipart headers. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


4) Information disclosure (CVE-ID: CVE-2025-61780)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to improper handling of headers in "Rack::Sendfile". A remote attacker can bypass proxy-enforced restrictions and access internal endpoints.


5) Resource exhaustion (CVE-ID: CVE-2025-61919)

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 "Rack::Request" form parsing. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.