| Name | CVE-2025-26803 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1098909 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| passenger (PTS) | bullseye | 5.0.30-1.2+deb11u1 | fixed |
| bookworm | 6.0.17+ds-1 | fixed |
| sid, trixie | 6.0.24+ds-3 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| passenger | source | bullseye | (not affected) | | | |
| passenger | source | bookworm | (not affected) | | | |
| passenger | source | (unstable) | (unfixed) | | | 1098909 |
Notes
[bookworm] - passenger <not-affected> (Vulnerable code introduced later)
[bullseye] - passenger <not-affected> (Vulnerable code introduced later)
https://blog.phusion.nl/2025/02/19/passenger-6-0-26/
Introduced with: https://github.com/phusion/passenger/commit/f51fc490472882b236c52d708d605a1961dacb18 (release-6.0.21)
Fixed by: https://github.com/phusion/passenger/commit/bb15591646687064ab2d578d5f9660b2a4168017 (release-6.0.26)