Description
Buffer overflow in BarnOwl before 1.5.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted CC: header.
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 | barnowl | 1.5.1-1 | — |
| Debian 13 | barnowl | 1.5.1-1 | — |
| Debian 12 | barnowl | 1.5.1-1 | — |
| Debian 5.0 | barnowl | 1.0.1-4+lenny1 | DSA-2049-1 |
Advisories 1
- DSA-2049-1 barnowl - arbitrary code execution Debian Security (DSA / DLA) · Mar 9, 2026
References
- ADV-2010-1218 vdb-entry
- http://barnowl.mit.edu/wiki/barnowl-1.5.1-announce
- DSA-2049 vendor-advisory
- 39908 third-party-advisory