Description
CRLF injection vulnerability in the evalFolderLine function in fvwm 2.5.18 and earlier allows local users to execute arbitrary commands via carriage returns in a directory name, which is not properly handled by fvwm-menu-directory, a variant of CVE-2003-1308.
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 14 | fvwm | 1:2.5.18-2 | — |
| Debian 13 | fvwm | 1:2.5.18-2 | — |
| Debian 12 | fvwm | 1:2.5.18-2 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | fvwm2 | 2.6.9-2.11 | openSUSE-SU-2024:10773-1 |
Advisories 1
- openSUSE-SU-2024:10773-1 fvwm2-2.6.9-2.11 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- fvwm-evalfolderline-command-execution(30452) vdb-entry
- http://www.gentoo-portage.com/x11-wm/fvwm/ChangeLog
- http://thread.gmane.org/gmane.comp.window-managers.fvwm.devel/2419/focus=2419
- 22961 third-party-advisory
- GLSA-200611-17 vendor-advisory
- 23089 third-party-advisory