| Name | CVE-2026-58155 |
| Description | Apache Traffic Server truncates over-long header names, allowing header aliasing, request smuggling, and policy bypass. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| trafficserver (PTS) | bullseye | 8.1.10+ds-1~deb11u1 | vulnerable |
| bullseye (security) | 8.1.11+ds-0+deb11u2 | vulnerable | |
| bookworm, bookworm (security) | 9.2.5+ds-0+deb12u4 | vulnerable | |
| sid | 9.2.5+ds-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| trafficserver | source | (unstable) | (unfixed) |
https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d