Description
Buffer overflow in write_packet in control.c for l2tpd may allow remote attackers to execute arbitrary code.
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 | l2tpd | 0.67-1.2 | DSA-530 |
Advisories 1
- DSA-530 l2tpd - buffer overflow Debian Security (DSA / DLA) · Mar 9, 2026
References
- DSA-530 vendor-advisory
- 20040604 bss-based buffer overflow in l2tpd mailing-list
- l2tpd-writepacket-bo(16326) vdb-entry
- GLSA-200407-17 vendor-advisory