Debian update for trafficserver



Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2024-53868
CVE-2025-31698
CVE-2025-49763
CWE-ID CWE-444
CWE-254
CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Debian Linux
Operating systems & Components / Operating system

trafficserver (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU107429

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-53868

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: No

Description

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.

Mitigation

Update trafficserver package to version 9.2.5+ds-0+deb12u3.

Vulnerable software versions

Debian Linux: All versions

trafficserver (Debian package): before 9.2.5+ds-0+deb12u3

CPE2.3 External links

https://lists.debian.org/debian-security-announce/2025/msg00112.html


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.

2) Security features bypass

EUVDB-ID: #VU111268

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-31698

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

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. 

Mitigation

Update trafficserver package to version 9.2.5+ds-0+deb12u3.

Vulnerable software versions

Debian Linux: All versions

trafficserver (Debian package): before 9.2.5+ds-0+deb12u3

CPE2.3 External links

https://lists.debian.org/debian-security-announce/2025/msg00112.html


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.

3) Resource exhaustion

EUVDB-ID: #VU111269

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-49763

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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.

Mitigation

Update trafficserver package to version 9.2.5+ds-0+deb12u3.

Vulnerable software versions

Debian Linux: All versions

trafficserver (Debian package): before 9.2.5+ds-0+deb12u3

CPE2.3 External links

https://lists.debian.org/debian-security-announce/2025/msg00112.html


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.



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