GHSA-c5cr-c2wq-j45jHighCVSS 7.8
Fluxbox through 1.3.7 contains an OS command injection vulnerability in RootTheme::reconfigTheme(...
🔗 CVE IDs covered (1)
📋 Description
Fluxbox through 1.3.7 contains an OS command injection vulnerability in RootTheme::reconfigTheme() that allows attackers to execute commands via crafted style background values. Attackers can embed shell metacharacters in background pixmap paths, random directories, or gradient texture text, which are concatenated unescaped into an fbsetbg command run via $SHELL -c when the style loads.
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2026-123784
- https://github.com/fluxbox/fluxbox/pull/89
- https://github.com/fluxbox/fluxbox/commit/270bfbc28573037c9b8458488d193b219e33889f
- https://github.com/fluxbox/fluxbox
- https://github.com/fluxbox/fluxbox/blob/Release-1_3_7/src/RootTheme.cc#L192-L264
- https://www.vulncheck.com/advisories/fluxbox-through-1.3.7-os-command-injection-via-style-background-values
- https://github.com/advisories/GHSA-c5cr-c2wq-j45j