Description
Improper Input Validation vulnerability in HTTP/2 header parsing of Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 8.0.0 to 9.1.2.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server | 8.0.0 to 9.1.2 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 12 | trafficserver | 9.1.3+ds-1 | — |
| Debian 11 | trafficserver | 8.1.5+ds-1~deb11u1 | DSA-5206-1 |
| Debian 10 | trafficserver | 8.1.6+ds-1~deb10u1 | DLA-3385-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | trafficserver | No fix yet | — |
| Ubuntu 16.04 LTS | trafficserver | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | trafficserver | No fix yet | — |
| Ubuntu Pro 20.04 LTS | trafficserver | No fix yet | — |
Advisories 3
- DSA-5206-1 trafficserver - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3385-1 trafficserver - security update Debian Security (DSA / DLA) · Mar 9, 2026
- WID-SEC-2022-0992 Apache Traffic Server: Mehrere Schwachstellen ermöglichen Manipulation von Dateien BSI CERT-Bund (WID) · Apr 5, 2023
References
- https://lists.apache.org/thread/rc64lwbdgrkv674koc3zl1sljr9vwg21
- DSA-5206 vendor-advisory
- FEDORA-2022-9832c0c04b vendor-advisory
- FEDORA-2022-23043f5a0b vendor-advisory