# CVE-2021-44040: trafficserver: Improper Input Validation vulnerability in request line parsing of Apache Traffic Server allows an attacker to send i...

CVE-2021-44040 is fixed in trafficserver on 1 platform by DEBIAN-CVE-2021-44040 (version 9.1.2+ds-1), released March 23, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-44040
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0199
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 23, 2022

## Description

Improper Input Validation vulnerability in request line parsing of Apache Traffic Server allows an attacker to send invalid requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.3 and 9.0.0 to 9.1.1.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | trafficserver Debian 12.15 (bookworm) | 9.1.2+ds-1 | [DEBIAN-CVE-2021-44040](https://patchblox.com/security/data/fix/linux/debian-cve-2021-44040.md) | Mar 23, 2022 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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