CVE-2021-37149
Publication date 3 November 2021
Last updated 11 July 2025
Ubuntu priority
Cvss 3 Severity Score
Description
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| trafficserver | 25.10 questing |
Needs evaluation
|
| 25.04 plucky |
Needs evaluation
|
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
|
| 14.04 LTS trusty | Ignored end of standard support |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | High |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
References
Other references
- https://www.openwall.com/lists/oss-security/2021/11/02/11
- https://github.com/apache/trafficserver/pull/8458/
- https://github.com/apache/trafficserver/commit/2addc8ca71449ceac0d5b80172460ee09c938f5e (8.1.x)
- https://github.com/apache/trafficserver/commit/83c89f3d217d473ecb000b68c910c0f183c3a355 (master)
- https://www.cve.org/CVERecord?id=CVE-2021-37149