Description
Vulnerability in l2tpd 0.67 allows remote attackers to overwrite the vendor field via a long value in an attribute/value pair, possibly via a buffer overflow.
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 | 0.67-1.1 | DSA-152 |
Advisories 1
- DSA-152 l2tpd - missing random seed Debian Security (DSA / DLA) · Mar 9, 2026
References
- DSA-152 vendor-advisory
- l2tpd-vendor-field-bo(10460) vdb-entry