Description
The f2 shell script in the f2c package 3.1 allows local users to read arbitrary files via a symlink attack on temporary files.
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 | f2c | 20020621-3.4 | — |
| Debian 13 | f2c | 20020621-3.4 | — |
| Debian 12 | f2c | 20020621-3.4 | — |
| Debian 3.0 | f2c | 20010821-3.2 | DSA-661-2 |
Advisories 1
- DSA-661-2 f2c - insecure temporary files Debian Security (DSA / DLA) · Mar 9, 2026