Description
Integer Overflow in fast_ping.c in SmartDNS Release46 allows remote attackers to cause a Denial of Service via misaligned memory access.
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 | smartdns | No fix yet | — |
| Debian 13 | smartdns | No fix yet | — |
| Debian 12 | smartdns | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | smartdns | No fix yet | — |
| Ubuntu 26.04 LTS | smartdns | No fix yet | — |
| Ubuntu 25.10 | smartdns | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | smartdns | 45+dfsg-1ubuntu0.1~esm1 | USN-7370-1 |
| Ubuntu Pro 22.04 LTS | smartdns | 35+dfsg-1ubuntu0.1~esm1 | USN-7370-1 |
Advisories 1
- USN-7370-1 smartdns vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026