Description
Buffer overflow in the irw_through function for Canna 3.5b2 and earlier allows local users to execute arbitrary code as the bin user.
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 | canna | 3.6p1-1 | — |
| Debian 13 | canna | 3.6p1-1 | — |
| Debian 12 | canna | 3.6p1-1 | — |
| Debian 3.0 | canna | 3.5b2-46.2 | DSA-224 |
Advisories 1
- DSA-224 canna - buffer overflow and more Debian Security (DSA / DLA) · Mar 9, 2026
References
- DSA-224 vendor-advisory
- 6351 vdb-entry
- canna-irwthrough-bo(10831) vdb-entry
- RHSA-2002:246 vendor-advisory
- RHSA-2002:261 vendor-advisory
- 20021220 GLSA: canna mailing-list
- RHSA-2003:115 vendor-advisory
- http://canna.sourceforge.jp/sec/Canna-2002-01.txt