Description
The lazy_bdecode function in BitTorrent DHT bootstrap server (bootstrap-dht ) allows remote attackers to execute arbitrary code via a crafted packet, related to "improper indexing."
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 | libtorrent-rasterbar | 1.0.6-1 | — |
| Debian 13 | libtorrent-rasterbar | 1.0.6-1 | — |
| Debian 12 | libtorrent-rasterbar | 1.0.6-1 | — |
| Debian 6.0 | libtorrent-rasterbar | 0.14.10-2+deb6u1 | DLA-312-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | libtorrent-rasterbar | No fix yet | — |
Advisories 1
- DLA-312-1 libtorrent-rasterbar - security update Debian Security (DSA / DLA) · Mar 9, 2026