Medium severity · published Aug 29, 2018
CVE-2018-8004
There are multiple HTTP smuggling and cache poisoning issues when clients making malicious requests interact with Apache Traffic Server (ATS)
6.5
CVSS
6.3%
EPSS
No
On KEV
Description
There are multiple HTTP smuggling and cache poisoning issues when clients making malicious requests interact with Apache Traffic Server (ATS). This affects versions 6.0.0 to 6.2.2 and 7.0.0 to 7.1.3. To resolve this issue users running 6.x should upgrade to 6.2.3 or later versions and 7.x users should upgrade to 7.1.4 or later versions.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)6.3% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
TS
Traffic Server · Apache
6.0.0 through 6.2.2; 7.0.0 through 7.1.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-8004
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-8004
Third Party Advisory
http://www.securityfocus.com/bid/105192
Patch
https://github.com/apache/trafficserver/pull/3192
Patch
https://github.com/apache/trafficserver/pull/3201
Patch
https://github.com/apache/trafficserver/pull/3231
Patch
https://github.com/apache/trafficserver/pull/3251
lists.apache.org
https://lists.apache.org/thread.html/7df882eb09029a4460768a61f88a30c9c30c9dc88e9bcc6e19ba24d5%40%3Cusers.trafficserver.apache.org%3E
More from Traffic Server
10.0
CVE-2026-58162
Apache Traffic Server: Certifier plugin trusts client SNI when generating certificates
10.0
CVE-2026-58150
Apache Traffic Server: HTTP/2 requests with Transfer-Encoding are not rejected, allowing request smuggling
10.0
CVE-2026-57834
Apache Traffic Server: Malformed chunked message body allows request smuggling
9.8
CVE-2026-58185
Apache Traffic Server: Use-after-free in the intercept plugin
9.8
CVE-2026-58179
Apache Traffic Server: regex_remap plugin overflows the stack from attacker input
