Description
Multiple stack-based buffer overflows in the error handling routines of the minires library, as used in the NSUPDATE capability for ISC DHCPD 3.0 through 3.0.1RC10, allow remote attackers to execute arbitrary code via a DHCP message containing a long hostname.
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 3.0 | dhcp3 | 3.0+3.0.1rc9-2.1 | DSA-231 |
Advisories 1
- DSA-231 dhcp3 - stack overflows Debian Security (DSA / DLA) · Mar 9, 2026
References
- RHSA-2003:011 vendor-advisory
- OpenPKG-SA-2003.002 vendor-advisory
- 1005924 vdb-entry
- DSA-231 vendor-advisory
- 6627 vdb-entry
- dhcpd-minires-multiple-bo(11073) vdb-entry
- MDKSA-2003:007 vendor-advisory
- VU#284857 third-party-advisory
- CA-2003-01 third-party-advisory
- N-031 third-party-advisory government-resource
- SuSE-SA:2003:006 vendor-advisory
- 20030122 [securityslackware.com: [slackware-security] New DHCP packages available] mailing-list
- CLA-2003:562 vendor-advisory