CVE-2023-38522
trafficserver - security update
7.5
HIGH
CVSS 3.1
EPSS 0.49%
Description
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 are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.
How to fix CVE-2023-38522
To remediate CVE-2023-38522, upgrade the affected package to a fixed version below.
- —upgrade to 8.1.11+ds-0+deb11u1 or later
- —upgrade to 8.1.11+ds-0+deb11u1 or later
- —upgrade to 9.2.5+ds-0+deb12u1 or later
Is CVE-2023-38522 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 8.1.11+ds-0+deb11u1
- from 0, < 8.1.11+ds-0+deb11u1
- from 0, < 9.2.5+ds-0+deb12u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |