Description
Integer overflow in the isofs_real_read_zf function in isofs.c in FuseISO 20070708 might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a large ZF block size in an ISO file, leading to a heap-based buffer overflow.
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 | fuseiso | 20070708-3.2 | — |
| Debian 13 | fuseiso | 20070708-3.2 | — |
| Debian 12 | fuseiso | 20070708-3.2 | — |
| Debian 7 | fuseiso | 20070708-3+deb7u1 | DSA-3551-1 |
| Debian 6.0 | fuseiso | 20070708-2+deb6u1 | DLA-323-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | fuseiso | 20070708-3+deb7u1ubuntu14.04.1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | fuseiso | 20260614-1.1 | openSUSE-SU-2026:12180-1 |
Advisories 4
- WID-SEC-2026-4263 FUSE: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem Programmcode mit Benutzerrechten BSI CERT-Bund (WID) · Nov 1, 2026
- openSUSE-SU-2026:12180-1 fuseiso-20260614-1.1 on GA media SUSE / openSUSE Security Updates · Oct 19, 2026
- DSA-3551-1 fuseiso - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-323-1 fuseiso - security update Debian Security (DSA / DLA) · Mar 9, 2026