Description
Stack-based buffer overflow in the fullpath function in misc.c for zoo 2.10 and earlier, as used in products such as Barracuda Spam Firewall, allows user-assisted attackers to execute arbitrary code via a crafted ZOO file that causes the combine function to return a longer string than expected.
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 ↗openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | zoo | 2.10-1025.8 | openSUSE-SU-2024:10445-1 |
Advisories 2
- DSA-991-1 zoo - buffer overflow Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10445-1 zoo-2.10-1025.8 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 1015866 vdb-entry
- 19408 third-party-advisory
- SUSE-SR:2006:005 vendor-advisory
- 19166 third-party-advisory
- SUSE-SR:2006:006 vendor-advisory
- ADV-2006-1220 vdb-entry
- 19514 third-party-advisory
- 546 third-party-advisory
- GLSA-200603-05 vendor-advisory
- 1015668 vdb-entry
- http://www.guay-leroux.com/projects/barracuda-advisory-ZOO.txt
- 19130 third-party-advisory
- zoo-misc-bo(24904) vdb-entry
- ADV-2006-0705 vdb-entry
- http://www.guay-leroux.com/projects/zoo-advisory.txt
- DSA-991 vendor-advisory
- 20060403 Barracuda ZOO archiver security bug leads to remote compromise mailing-list
- 20060223 zoo contains exploitable buffer overflows mailing-list
- 19002 third-party-advisory
- 19148 third-party-advisory
- 16790 vdb-entry