Description
Stack-based buffer overflow in a certain Debian patch for xbuffy before 3.3.bl.3.dfsg-9 allows remote attackers to execute arbitrary code via the subject of an email, possibly related to indent subject lines.
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 | xbuffy | 3.3.bl.3.dfsg-9 | — |
| Debian 13 | xbuffy | 3.3.bl.3.dfsg-9 | — |
| Debian 12 | xbuffy | 3.3.bl.3.dfsg-9 | — |
| Debian 7 | xbuffy | 3.3.bl.3.dfsg-8+deb7u1 | DSA-2921-1 |
| Debian 6.0 | xbuffy | 3.3.bl.3.dfsg-8+deb6u1 | DSA-2921-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | xbuffy | 3.3.bl.3.dfsg-8+deb7u1build0.14.04.1 | — |
Advisories 1
- DSA-2921-1 xbuffy - security update Debian Security (DSA / DLA) · Mar 9, 2026