SB2025062501 - Debian update for trafficserver



SB2025062501 - Debian update for trafficserver

Published: June 25, 2025

Security Bulletin ID SB2025062501
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
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 3 secuirty vulnerabilities.


1) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2024-53868)

The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests when handling chunked messages. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.


2) Security features bypass (CVE-ID: CVE-2025-31698)

The vulnerability allows a remote attacker to bypass implemented IP-based ACLs.

The vulnerability exists due to application does not apply IP-based ACL on requests sent with PROXY HTTP method. A remote attacker can bypass implemented filtration and gain unauthorized access to the application. 


3) Resource exhaustion (CVE-ID: CVE-2025-49763)

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 ESI Plugin. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.