CVE catalog
CVE-2021-44040
trafficserver: CVE-2021-44040
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.99% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | trafficserver | bookworm | 9.2.5+ds-0+deb12u4 | fixed |
| Debian | trafficserver | bookworm-security | 9.2.5+ds-0+deb12u4 | fixed |
| Ubuntu | trafficserver | 18.04 | 7.0.0-5 | vulnerable |
| Ubuntu | trafficserver | 18.04 | 7.1.2+ds-2 | vulnerable |
| Ubuntu | trafficserver | 18.04 | 7.1.2+ds-2build1 | vulnerable |
| Ubuntu | trafficserver | 18.04 | 7.1.2+ds-3 | vulnerable |
| Ubuntu | trafficserver | pro | 8.1.1+ds-1.1 | vulnerable |
| Ubuntu | trafficserver | pro | 9.1.1+ds-2build1 | vulnerable |
| Ubuntu | trafficserver | pro | 9.1.1+ds-2ubuntu0.1~esm1 | vulnerable |
| Ubuntu | trafficserver | pro | 9.1.1+ds-2ubuntu0.1 | vulnerable |
| Ubuntu | trafficserver | pro | 9.1.1+ds-2ubuntu0.1+esm1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | trafficserver | source | bookworm | 9.1.2+ds-1 | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [trafficserver]Fixed
Details (4)
9.2.5+ds-0+deb12u4· amd64 · bookwormFixed · Fixed:
9.1.2+ds-1dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
9.2.5+ds-0+deb12u4· arm64 · bookwormFixed · Fixed:
9.1.2+ds-1dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
9.2.5+ds-0+deb12u4· amd64 · bookworm-securityFixed · Fixed:
9.1.2+ds-1dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
9.2.5+ds-0+deb12u4· arm64 · bookworm-securityFixed · Fixed:
9.1.2+ds-1dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
- [trafficserver-dev]Fixed
Source package: [trafficserver]
Details (4)
9.2.5+ds-0+deb12u4· amd64 · bookwormFixed · Fixed:
9.1.2+ds-1dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
9.2.5+ds-0+deb12u4· arm64 · bookwormFixed · Fixed:
9.1.2+ds-1dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
9.2.5+ds-0+deb12u4· amd64 · bookworm-securityFixed · Fixed:
9.1.2+ds-1dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
9.2.5+ds-0+deb12u4· arm64 · bookworm-securityFixed · Fixed:
9.1.2+ds-1dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
Source package: [trafficserver]
Details (4)
9.2.5+ds-0+deb12u4· amd64 · bookwormFixed · Fixed:
9.1.2+ds-1dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
9.2.5+ds-0+deb12u4· arm64 · bookwormFixed · Fixed:
9.1.2+ds-1dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
9.2.5+ds-0+deb12u4· amd64 · bookworm-securityFixed · Fixed:
9.1.2+ds-1dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
9.2.5+ds-0+deb12u4· arm64 · bookworm-securityFixed · Fixed:
9.1.2+ds-1dsa · trafficserver · debian · bookworm; dsa · trafficserver · debian · 12
Observed: