CVE catalog
CVE-2025-26803
passenger: CVE-2025-26803
- Severity
- Medium · CVSS 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.62% · Oct 25, 2026
The http parser in Phusion Passenger 6.0.21 through 6.0.25 before 6.0.26 allows a denial of service during parsing of a request with an invalid HTTP method.
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 | passenger | sid | 6.2.0+ds-1 | fixed |
| Debian | passenger | forky | 6.2.0+ds-1 | fixed |
| Debian | passenger | trixie | 6.0.26+ds-1.1 | fixed |
| Debian | passenger | bookworm | 6.0.17+ds-1 | not affected |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | passenger | source | sid | 6.0.26+ds-1 | not yet assigned | Not reported | [1098909] |
| Debian | passenger | source | forky | 6.0.26+ds-1 | not yet assigned | Not reported | [1098909] |
| Debian | passenger | source | trixie | 6.0.26+ds-1 | not yet assigned | Not reported | [1098909] |
| Debian | passenger | source | bookworm | Not affected | unimportant | Not reported | [1098909] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libapache2-mod-passenger]Not affected
Source package: [passenger]
Details (2)
6.0.17+ds-1· amd64 · bookwormNot affected
dsa · passenger · debian · bookworm
6.0.17+ds-1· arm64 · bookwormNot affected
dsa · passenger · debian · bookworm
- [passenger]Not affected
Details (2)
6.0.17+ds-1· amd64 · bookwormNot affected
dsa · passenger · debian · bookworm
6.0.17+ds-1· arm64 · bookwormNot affected
dsa · passenger · debian · bookworm
[Debian 13 (Trixie)]
- [libapache2-mod-passenger]Fixed
Source package: [passenger]
Details (2)
6.0.26+ds-1.1· amd64 · trixieFixed · Fixed:
6.0.26+ds-1dsa · passenger · debian · 13
6.0.26+ds-1.1· arm64 · trixieFixed · Fixed:
6.0.26+ds-1dsa · passenger · debian · 13
- [passenger]Fixed
Details (2)
6.0.26+ds-1.1· amd64 · trixieFixed · Fixed:
6.0.26+ds-1dsa · passenger · debian · 13
6.0.26+ds-1.1· arm64 · trixieFixed · Fixed:
6.0.26+ds-1dsa · passenger · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2025-26803]
- [https://security-tracker.debian.org/tracker/CVE-2025-26803]
- [https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-26803.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]