TS
Product
Traffic Server
120
CVEs
0
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 21High 75Medium 20Low 0
Watch
Add Traffic Server to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2026-58162 | 10.0 | Jul 29 | Apache Traffic Server: Certifier plugin trusts client SNI when generating certificates Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58150 | 10.0 | Jul 29 | Apache Traffic Server: HTTP/2 requests with Transfer-Encoding are not rejected, allowing request smuggling Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-57834 | 10.0 | Jul 29 | Apache Traffic Server: Malformed chunked message body allows request smuggling Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58185 | 9.8 | Jul 29 | Apache Traffic Server: Use-after-free in the intercept plugin Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58179 | 9.8 | Jul 29 | Apache Traffic Server: regex_remap plugin overflows the stack from attacker input Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58177 | 9.8 | Jul 29 | Apache Traffic Server: Memory-safety and path-traversal errors in the Cripts framework Affected: 10.0.0 before 10.1.4 |
| CVE-2021-43082 | 9.8 | Nov 3 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the stats-over-http plugin of Apache Traffic Server allows an attacker to overwrite memory Affected: 8.0.0 through 8.1.2; 9.0.0 through 9.1.0 |
| CVE-2021-35474 | 9.8 | Jun 30 | Stack-based Buffer Overflow vulnerability in cachekey plugin of Apache Traffic Server Affected: 7.0.0 through 7.1.12; 8.0.0 through 8.1.1; 9.0.0 through 9.0.1 |
| CVE-2020-1944 | 9.8 | Mar 23 | There is a vulnerability in Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.8, and 8.0.0 to 8.0.5 with a smuggling attack and Transfer-Encoding and Content length headers Affected: 6.0.0 through 6.2.3; 7.0.0 through 7.1.8; 8.0.0 through 8.0.5 |
| CVE-2019-17565 | 9.8 | Mar 23 | There is a vulnerability in Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.8, and 8.0.0 to 8.0.5 with a smuggling attack and chunked encoding Affected: 6.0.0 through 6.2.3; 7.0.0 through 7.1.8; 8.0.0 through 8.0.5 |
| CVE-2019-17559 | 9.8 | Mar 23 | There is a vulnerability in Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.8, and 8.0.0 to 8.0.5 with a smuggling attack and scheme parsing Affected: 6.0.0 through 6.2.3; 7.0.0 through 7.1.8; 8.0.0 through 8.0.5 |
| CVE-2015-3249 | 9.8 | Oct 30 | The HTTP/2 experimental feature in Apache Traffic Server 5.3.x before 5.3.1 allows remote attackers to cause a denial of service (out-of-bounds access and daemon crash) or… Affected: 5.3.0 |
| CVE-2014-3624 | 9.8 | Oct 30 | Apache Traffic Server 5.1.x before 5.1.1 allows remote attackers to bypass access restrictions by leveraging failure to properly tunnel remap requests using CONNECT Affected: 5.1.0 |
| CVE-2015-5206 | 9.8 | Sep 13 | Unspecified vulnerability in the HTTP/2 experimental feature in Apache Traffic Server before 5.3.x before 5.3.2 has unknown impact and attack vectors, a different vulnerability… Affected: 5.3.0; 5.3.1 |
| CVE-2015-5168 | 9.8 | Sep 13 | Unspecified vulnerability in the HTTP/2 experimental feature in Apache Traffic Server 5.3.x before 5.3.2 has unknown impact and attack vectors, a different vulnerability than… Affected: 5.3.0; 5.3.1 |
| CVE-2026-58155 | 9.3 | Jul 29 | Apache Traffic Server: Header-name length truncation enables header aliasing and request smuggling Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-41920 | 9.3 | Jul 29 | Apache Traffic Server: SNI to Host header matching policy is not properly enforced Affected: 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58163 | 9.1 | Jul 29 | Apache Traffic Server: Cache deserialization and lifetime errors can corrupt state or crash the server Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-33267 | 9.1 | Jul 29 | Apache Traffic Server: Untrusted @ headers can spoof ATS internal metadata Affected: 9.2.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2024-50306 | 9.1 | Nov 14 | Unchecked return value can allow Apache Traffic Server to retain privileges on startup Affected: 9.0.0 before 9.2.6; 10.0.0 before 10.0.2 |
| CVE-2023-33934 | 9.1 | Aug 9 | Improper Input Validation vulnerability in Apache Software Foundation Apache Traffic Server.This issue affects Apache Traffic Server: through 9.2.1 Affected: 8.0.0 through 8.1.7; 9.0.0 through 9.2.1 |
| CVE-2026-58154 | 8.9 | Jul 29 | Apache Traffic Server: Memory-safety errors in MIME and header parsing Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58157 | 8.7 | Jul 29 | Apache Traffic Server: Improper server-session reuse can expose data across client connections Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58182 | 8.6 | Jul 29 | Apache Traffic Server: ts_lua plugin has initialization and resource-handling errors Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2017-5660 | 8.6 | Feb 27 | There is a vulnerability in Apache Traffic Server (ATS) 6.2.0 and prior and 7.0.0 and prior with the Host header and line folding Affected: through 6.2.0; 6.2.1; 6.2.1; 6.2.2; 6.2.2; 7.0.0; +3 more |
| CVE-2026-58153 | 8.3 | Jul 29 | Apache Traffic Server: HTTP/2 to HTTP/1 conversion forwards origin trailers to clients unsafely Affected: 10.0.0 before 10.1.4 |
| CVE-2026-58188 | 8.2 | Jul 29 | Apache Traffic Server: Memory-safety and limit-bypass errors across experimental plugins Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58159 | 8.2 | Jul 29 | Apache Traffic Server: Listener and ACL handling allow access-control bypass Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2024-35296 | 8.2 | Jul 26 | Invalid Accept-Encoding header can cause Apache Traffic Server to fail cache lookup and force forwarding requests Affected: 8.0.0 before 8.1.11; 9.0.0 before 9.2.5 |
| CVE-2021-44759 | 8.1 | Mar 23 | Improper Authentication vulnerability in TLS origin validation of Apache Traffic Server allows an attacker to create a man in the middle attack Affected: 8.0.0 through 8.1.0 |
| CVE-2021-38161 | 8.1 | Nov 3 | Improper Authentication vulnerability in TLS origin verification of Apache Traffic Server allows for man in the middle attacks Affected: 8.0.0 through 8.0.8 |
| CVE-2026-58189 | 7.5 | Jul 29 | Apache Traffic Server: Plugins resetting the redirect counter enable SSRF amplification Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58187 | 7.5 | Jul 29 | Apache Traffic Server: Multiplexer plugin chunk decoder enables a denial of service Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58186 | 7.5 | Jul 29 | Apache Traffic Server: webp_transform plugin decodes unsafely and mislabels degraded responses Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58184 | 7.5 | Jul 29 | Apache Traffic Server: header_rewrite plugin cookie handling can corrupt memory Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58183 | 7.5 | Jul 29 | Apache Traffic Server: prefetch plugin can crash on attacker-influenced input Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58181 | 7.5 | Jul 29 | Apache Traffic Server: uri_signing and url_sig plugins can exhaust the stack or crash Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58180 | 7.5 | Jul 29 | Apache Traffic Server: txn_box plugin overflows the stack from attacker input Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58178 | 7.5 | Jul 29 | Apache Traffic Server: ESI plugin allows uncontrolled recursion and server-side request forgery Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58175 | 7.5 | Jul 29 | Apache Traffic Server: HostDB SRV handling leaks memory Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58164 | 7.5 | Jul 29 | Apache Traffic Server: Remap configuration lifetime and TOCTOU errors cause use-after-free Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58161 | 7.5 | Jul 29 | Apache Traffic Server: Memory-safety errors in TLS and SNI handling can crash the server Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-65324 | 7.5 | Jul 29 | Apache Traffic Server: HTTP/2 and HTTP/3 dechunking removes per-stream buffer cap, allowing memory exhaustion Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-58151 | 7.5 | Jul 29 | Apache Traffic Server: Abusive HTTP/2 framing can exhaust resources and crash the server Affected: 8.0.0 through 8.1.9; 9.0.0 before 9.2.15; 10.0.0 before 10.1.4 |
| CVE-2026-59173 | 7.5 | Jul 18 | Apache Traffic Server: DoS vulnerability in HTTP/2 via stalled flow-control conditions Affected: 9.0.0 before 9.2.14; 10.0.0 before 10.1.3 |
| CVE-2025-65114 | 7.5 | Apr 2 | Apache Traffic Server: Malformed chunked message body allows request smuggling Affected: 9.0.0 before 9.2.13; 10.0.0 before 10.1.2 |
| CVE-2025-58136 | 7.5 | Apr 2 | Apache Traffic Server: A simple legitimate POST request causes a crash Affected: 9.0.0 before 9.2.13; 10.0.0 before 10.1.2 |
| CVE-2025-49763 | 7.5 | Jun 19 | ESI plugin does not have the limit for maximum inclusion depth, and that allows excessive memory consumption if malicious instructions are inserted Affected: 9.0.0 before 9.2.11; 10.0.0 before 10.0.6 |
| CVE-2025-31698 | 7.5 | Jun 19 | ACL configured in ip_allow.config or remap.config does not use IP addresses that are provided by PROXY protocol Affected: 9.0.0 before 9.2.11; 10.0.0 before 10.0.6 |
| CVE-2024-53868 | 7.5 | Apr 3 | Apache Traffic Server allows request smuggling if chunked messages are malformed. This issue affects Apache Traffic Server: from 9.2.0 through 9.2.9, from 10.0.0 through… Affected: 9.0.0 before 9.2.10; 10.0.0 before 10.0.5 |
