Description
The fetchnews NNTP client in leafnode 1.11.2 and earlier can hang while waiting for input that never arrives, which allows remote NNTP servers to cause a denial of service (news loss).
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 | leafnode | 1.11.3.rel-1 | — |
| Debian 13 | leafnode | 1.11.3.rel-1 | — |
| Debian 12 | leafnode | 1.11.3.rel-1 | — |