Description
The TCP reassembly functionality in libnids before 1.18 allows remote attackers to cause "memory corruption" and possibly execute arbitrary code via "overlarge TCP packets."
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 | libnids | 1.18-1 | — |
| Debian 13 | libnids | 1.18-1 | — |
| Debian 12 | libnids | 1.18-1 | — |
| Debian 3.0 | libnids | 1.16-3woody1 | DSA-410 |
Advisories 1
- DSA-410 libnids - buffer overflow Debian Security (DSA / DLA) · Mar 9, 2026
References
- 10543 third-party-advisory
- http://sourceforge.net/project/shownotes.php?release_id=191323
- CLA-2003:773 vendor-advisory
- 20031027 Libnids <= 1.17 buffer overflow mailing-list
- DSA-410 vendor-advisory