Description
A stack-based buffer overflow in DMitry (Deepmagic Information Gathering Tool) 1.3a might allow remote WHOIS servers to execute arbitrary code via a long line in a response that is mishandled by nic_format_buff.
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 | dmitry | 1.3a-5 | — |
| Debian 13 | dmitry | 1.3a-5 | — |
| Debian 12 | dmitry | 1.3a-1.2+deb12u1 | — |
| Debian 11 | dmitry | 1.3a-1.1+deb11u1 | DLA-3933-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | dmitry | 1.3a-3ubuntu0.1~esm1 | USN-8980-1 |
| Ubuntu Pro 22.04 LTS | dmitry | 1.3a-1.2ubuntu0.22.04.1~esm1 | USN-8980-1 |
| Ubuntu Pro 20.04 LTS | dmitry | 1.3a-1ubuntu0.20.04.1~esm1 | USN-8980-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | dmitry | 1.3a-1ubuntu0.18.04.1~esm1 | USN-8980-1 |
| Ubuntu Pro 16.04 LTS | dmitry | 1.3a-1ubuntu0.16.04.1~esm1 | USN-8980-1 |
Advisories 2
- USN-8980-1 dmitry vulnerabilities Ubuntu Security Notices (USN) · Nov 4, 2026
- DLA-3933-1 dmitry - security update Debian Security (DSA / DLA) · Mar 9, 2026