Description
An issue was discovered in tnef before 1.4.13. Several Integer Overflows, which can lead to Heap Overflows, have been identified in the functions that wrap memory allocation.
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 | tnef | 1.4.12-1.1 | — |
| Debian 13 | tnef | 1.4.12-1.1 | — |
| Debian 12 | tnef | 1.4.12-1.1 | — |
| Debian 8 | tnef | 1.4.9-1+deb8u1 | DSA-3798-1 |
| Debian 7 | tnef | 1.4.9-1+deb7u1 | DLA-839-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | tnef | 1.4.9-1+deb8u2build0.16.04.1 | — |
| Ubuntu 14.04 LTS | tnef | 1.4.9-1+deb8u2build0.14.04.1 | — |
Advisories 2
- DLA-839-1 tnef - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3798-1 tnef - security update Debian Security (DSA / DLA) · Mar 9, 2026