Description
Canna 3.6 and earlier does not properly validate requests, which allows remote attackers to cause a denial of service or information leak.
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
- 6354 vdb-entry
- RHSA-2002:246 vendor-advisory
- RHSA-2002:261 vendor-advisory
- canna-improper-request-validation(10832) vdb-entry
- RHSA-2003:115 vendor-advisory
- http://canna.sourceforge.jp/sec/Canna-2002-01.txt