SB2025061830 - Multiple vulnerabilities in Apache Traffic Server

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) 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. 

2) 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.

References

• https://lists.apache.org/thread/5xl7j37vnb04c4jmdmwctvqx1pnqxf4g
• https://lists.apache.org/thread/lc3jb0wqx4wptgt3r6gdpgpbk0k3cv3p