Apache Software Foundation Apache Traffic Server vulnerabilities

CVE-2021-27577 [HIGH] CWE-444 CVE-2021-27577: Incorrect handling of url fragment vulnerability of Apache Traffic Server allows an attacker to pois Incorrect handling of url fragment vulnerability of Apache Traffic Server allows an attacker to poison the cache. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.

CVE-2023-30631 [HIGH] CWE-20 CVE-2023-30631: Improper Input Validation vulnerability in Apache Software Foundation Apache Traffic Server. The co Improper Input Validation vulnerability in Apache Software Foundation Apache Traffic Server. The configuration option proxy.config.http.push_method_enabled didn't function. However, by default the PUSH method is blocked in the ip_allow configuration file.This issue affects Apache Traffic Server: from 8.0.0 through 9.2.0. 8.x users should upgrade to 8.1

CVE-2022-28129 [HIGH] CWE-20 CVE-2022-28129: Improper Input Validation vulnerability in HTTP/1.1 header parsing of Apache Traffic Server allows a Improper Input Validation vulnerability in HTTP/1.1 header parsing of Apache Traffic Server allows an attacker to send invalid headers. This issue affects Apache Traffic Server 8.0.0 to 9.1.2.

CVE-2022-31780 [HIGH] CWE-20 CVE-2022-31780: Improper Input Validation vulnerability in HTTP/2 frame handling of Apache Traffic Server allows an Improper Input Validation vulnerability in HTTP/2 frame handling of Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 8.0.0 to 9.1.2.

CVE-2018-8022 [HIGH] CWE-20 CVE-2018-8022: A carefully crafted invalid TLS handshake can cause Apache Traffic Server (ATS) to segfault. This af A carefully crafted invalid TLS handshake can cause Apache Traffic Server (ATS) to segfault. This affects version 6.2.2. To resolve this issue users running 6.2.2 should upgrade to 6.2.3 or later versions.

CVE-2023-38522 [HIGH] CWE-444 CVE-2023-38522: Apache Traffic Server accepts characters that are not allowed for HTTP field names and forwards malf Apache Traffic Server accepts characters that are not allowed for HTTP field names and forwards malformed requests to origin servers. This can be utilized for request smuggling and may also lead cache poisoning if the origin servers are vulnerable. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4. Users a

CVE-2024-35161 [HIGH] CWE-444 CVE-2024-35161: Apache Traffic Server forwards malformed HTTP chunked trailer section to origin servers. This can be Apache Traffic Server forwards malformed HTTP chunked trailer section to origin servers. This can be utilized for request smuggling and may also lead cache poisoning if the origin servers are vulnerable. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4. Users can set a new setting (proxy.config.http.drop_

CVE-2024-38479 [HIGH] CWE-20 CVE-2024-38479: Improper Input Validation vulnerability in Apache Traffic Server. This issue affects Apache Traffic Improper Input Validation vulnerability in Apache Traffic Server. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.5. Users are recommended to upgrade to version 9.2.6, which fixes the issue, or 10.0.2, which does not have the issue.

CVE-2021-37149 [HIGH] CWE-20 CVE-2021-37149: Improper Input Validation vulnerability in header parsing of Apache Traffic Server allows an attacke Improper Input Validation vulnerability in header parsing of Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.2 and 9.0.0 to 9.1.0.

CVE-2021-37148 [HIGH] CWE-20 CVE-2021-37148: Improper input validation vulnerability in header parsing of Apache Traffic Server allows an attacke Improper input validation vulnerability in header parsing of Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.2 and 9.0.0 to 9.0.1.

CVE-2021-37147 [HIGH] CWE-20 CVE-2021-37147: Improper input validation vulnerability in header parsing of Apache Traffic Server allows an attacke Improper input validation vulnerability in header parsing of Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.2 and 9.0.0 to 9.1.0.

CVE-2021-32565 [HIGH] CWE-444 CVE-2021-32565: Invalid values in the Content-Length header sent to Apache Traffic Server allows an attacker to smug Invalid values in the Content-Length header sent to Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.

CVE-2022-31778 [HIGH] CWE-20 CVE-2022-31778: Improper Input Validation vulnerability in handling the Transfer-Encoding header of Apache Traffic S Improper Input Validation vulnerability in handling the Transfer-Encoding header of Apache Traffic Server allows an attacker to poison the cache. This issue affects Apache Traffic Server 8.0.0 to 9.0.2.

CVE-2025-49763 [HIGH] CWE-400 CVE-2025-49763: ESI plugin does not have the limit for maximum inclusion depth, and that allows excessive memory con ESI plugin does not have the limit for maximum inclusion depth, and that allows excessive memory consumption if malicious instructions are inserted. Users can use a new setting for the plugin (--max-inclusion-depth) to limit it. This issue affects Apache Traffic Server: from 10.0.0 through 10.0.5, from 9.0.0 through 9.2.10. Users are recommended to

CVE-2021-32566 [HIGH] CWE-20 CVE-2021-32566: Improper Input Validation vulnerability in HTTP/2 of Apache Traffic Server allows an attacker to DOS Improper Input Validation vulnerability in HTTP/2 of Apache Traffic Server allows an attacker to DOS the server. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.

CVE-2021-32567 [HIGH] CWE-20 CVE-2021-32567: Improper Input Validation vulnerability in HTTP/2 of Apache Traffic Server allows an attacker to DOS Improper Input Validation vulnerability in HTTP/2 of Apache Traffic Server allows an attacker to DOS the server. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.

CVE-2023-33933 [HIGH] CWE-200 CVE-2023-33933: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Software Foundati Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Software Foundation Apache Traffic Server.This issue affects Apache Traffic Server: from 8.0.0 through 9.2.0. 8.x users should upgrade to 8.1.7 or later versions 9.x users should upgrade to 9.2.1 or later versions

CVE-2023-41752 [HIGH] CWE-200 CVE-2023-41752: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Traffic Server.Th Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Traffic Server.This issue affects Apache Traffic Server: from 8.0.0 through 8.1.8, from 9.0.0 through 9.2.2. Users are recommended to upgrade to version 8.1.9 or 9.2.3, which fixes the issue.

CVE-2021-41585 [HIGH] CWE-20 CVE-2021-41585: Improper Input Validation vulnerability in accepting socket connections in Apache Traffic Server all Improper Input Validation vulnerability in accepting socket connections in Apache Traffic Server allows an attacker to make the server stop accepting new connections. This issue affects Apache Traffic Server 5.0.0 to 9.1.0.

CVE-2022-47184 [HIGH] CWE-200 CVE-2022-47184: Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Software Foundati Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Software Foundation Apache Traffic Server.This issue affects Apache Traffic Server: 8.0.0 to 9.2.0.